What is a JPB Ring Stretcher and Reducer used for?

The JPB Ring Stretcher and Reducer is a versatile tool designed for resizing rings. It can increase the size of rings that are too tight or decrease the size of oversized rings efficiently. This dual functionality allows jewelry enthusiasts and professionals to modify rings seamlessly, ensuring a perfect fit without compromising the ring's integrity.

How does the JPB Ring Stretcher work?

The JPB Ring Stretcher works by applying controlled pressure to expand the ring's diameter. Users place the ring on the tool, and by rotating the handle, the tool stretches the ring uniformly. This method prevents any distortion or damage, making it ideal for delicate or intricately designed pieces. This is especially beneficial for jewelers looking to make precise adjustments during repairs.

Can the JPB Ring Stretcher reduce ring sizes as well?

Yes, the JPB Ring Stretcher and Reducer can also effectively reduce ring sizes. By using the reducer mechanism, users can pinch the band of the ring inward, ensuring a snug fit. This dual functionality is perfect for users who need to adjust rings frequently, such as jewelers or individuals with fluctuating finger sizes.

Is the JPB Ring Stretcher suitable for all types of metals?

The JPB Ring Stretcher is designed to work with various metal types, including gold, silver, platinum, and even some softer alloys. However, it is important to consider the metal's malleability; harder metals may require more skill and caution during the resizing process. This versatility makes it a valuable tool for both amateur and professional jewelers.

What is the maximum ring size capacity of the JPB Ring Stretcher?

The maximum ring size capacity of the JPB Ring Stretcher typically accommodates a wide range of sizes, making it suitable for most rings. Specific limits can vary based on the model, but many can stretch and reduce rings up to several sizes. This feature allows users to resize both standard and larger rings without needing multiple tools.

Is the JPB Ring Stretcher portable?

Yes, the JPB Ring Stretcher is designed with portability in mind. Its compact size and lightweight construction enable users to transport it easily to different workspaces or take it to jewelry fairs. This makes it an ideal solution for jewelers who need to perform on-site resizing for clients or for hobbyists who require flexibility in their crafting space.

How do you maintain the JPB Ring Stretcher?

Maintaining the JPB Ring Stretcher involves keeping it clean from debris and ensuring that the moving parts are lubricated. Regular inspection for any wear or damage can prolong the tool's lifespan and ensure optimal functioning. Proper maintenance is crucial for achieving consistent results when resizing rings, especially for professional applications.

Can beginners use the JPB Ring Stretcher effectively?

Yes, beginners can use the JPB Ring Stretcher effectively with some practice and guidance. Its design is intuitive, and many users find it straightforward to operate. Beginner jewelers can start by practicing with inexpensive rings to get comfortable with the mechanics before working on more valuable pieces.

What kind of projects can I use the JPB Ring Stretcher for?

The JPB Ring Stretcher is perfect for various projects, including resizing vintage jewelry, creating custom rings, or modifying family heirlooms. Users often find it beneficial in preparing rings for clients who require personalized fittings. This flexibility makes it an essential tool in any jeweler's toolkit.

Where can I buy the JPB Ring Stretcher and Reducer in New Zealand?

You can buy the JPB Ring Stretcher and Reducer at Ubuy, which offers a wide selection of tools for jewelry making and resizing. Ubuy provides a user-friendly online shopping experience and fast access to the JPB Ring Stretcher, ensuring you can find and order it conveniently.

How to Shop JPB Ring Stretcher and Reducer Online From Ubuy?

It’s easy to shop JPB Ring Stretcher and Reducer online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is JPB Ring Stretcher and Reducer Available to Shop Online in New Zealand?

Yes, at Ubuy New Zealand this product is available for you to shop at a reasonable price. The JPB Ring Stretcher and Reducer is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

JPB JEWELRY BOX CO.

Easily stretch or reduce ring size with the JPB Ring Stretcher and Reducer combo

JPB JEWELRY BOX CO.

Item #: 7679218

JPB Ring Stretcher and Reducer

87% of respondents would recommend this to a friend

Item #: 7679218

NZD 301

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from US}

Availability : In stock

Imported from USA store

QTY:

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Easily stretch or reduce ring size with the JPB Ring Stretcher and Reducer combo

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What Stands Out

Versatile Design

This JPB Ring Stretcher and Reducer offers flexibility to resize rings efficiently, addressing various jewelry making needs while ensuring precise adjustments for both enlarging and reducing ring sizes.

Durable Construction

Crafted from high-quality materials, the JPB tool ensures long-lasting use and reliability, providing jewelers with a dependable instrument that withstands regular wear in a professional workshop.

User-Friendly Operation

Designed for ease of use, the JPB Ring Stretcher features clear markings and an ergonomic grip, allowing jewelers of all skill levels to operate it comfortably and achieve accurate results effortlessly.

Product Details

Heavy duty ring stretcher & reducer combo
Includes optional mounting holes at base to secure machine to workbench
Easily stretch or reduce ring size
Ideal for jewelry repair shops or personal use
Non-threaded handle can be adjusted with exterior screw

Product Dimensions (L x W x H)	7.5 x 4.5 x 18 inches (19.1 x 11.4 x 45.7 cm)
Item model number	4336837145
Item Weight	19.16 pounds (8.69 kg)
Manufacturer	JPB
Date First Available	December 1, 2017
Country of Origin	This item will be imported from US
What is in the box	JPB Ring Stretcher and... For more details, please check description/product details

Who Should Buy?

Jewelry Makers
Ideal for jewelers needing to resize rings efficiently and precisely, ensuring a perfect fit for their customers.
Hobbyists
Great for DIY enthusiasts who want to create custom-sized rings without the need for extensive tools or skill.
Small Businesses
Perfect for small jewelry businesses seeking to expand their services with ring resizing and custom fitting options.

Casual Crafters
Not suitable for casual users who may not require frequent or professional-level ring resizing capabilities.

Product Description

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Customer Questions & Answers

Question: How to Shop JPB Ring Stretcher and Reducer Online From Ubuy?

Answer: It’s easy to shop JPB Ring Stretcher and Reducer online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is JPB Ring Stretcher and Reducer Available to Shop Online in New Zealand?

Answer: Yes, at Ubuy New Zealand this product is available for you to shop at a reasonable price. The JPB Ring Stretcher and Reducer is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

JPB JEWELRY BOX CO. Jewelry Sizers & Mandrels 4336837145 Editorial Review

The JPB Ring Stretcher and Reducer is a versatile and sturdy tool for shaping, stretching, and shrinking bands. It comes with 4 splines, and a larger size ring mandrel turret die from Pepe Tools can be used with this machine. However, it cannot be used with dapping blocks, rings with stones, or reducing rings higher than a size 13. The tool is easy to mount and use, and it has received positive reviews for its efficiency and strength. Nonetheless, some reviewers expressed disappointment with the ring reducing plate and compatibility issues with the PEPE ring sizer. One reviewer also mentioned receiving a bent tip.

Customer Reviews & Ratings

4.2

129 customers ratings

5 Star

64%
4 Star

14%
3 Star

13%
2 Star

2%
1 Star

7%

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Pros

Versatile and sturdy tool for shaping, stretching, and shrinking bands
Comes with 4 splines
Easy to mount and use
Efficient and strong

Cons

Cannot be used with dapping blocks or rings with stones

Platform Trust & Buyer Confidence

4.2/5 389 reviews

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Niccole

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“Great service tracking was provided as soon as it shipped it works well and is as pictured”

23 September 2026 · via Trustpilot

Shelly

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“This was the first time I used Ubuy and I was very happy to find the products I wanted that weren’t available in NZ but through Ubuy I was able to purchase them and have them sent to me. They arrived within a reasonable time. I would definitely use Ubuy again.”

02 October 2026 · via Trustpilot

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“The product arrived promptly in good order well packaged”

04 October 2026 · via Trustpilot

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“Great service quick delivery. The platform clog is fab it looks great on my feet”

05 October 2026 · via Trustpilot

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“Fast and easy service”

07 Oct 2026 · via Trustpilot

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Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

NZD 301

Order now and get it around Friday, October 30

QTY:

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Features & Benefits

Heavy duty and non-threaded handle that can be adjusted with exterior screw
Includes optional mounting holes at base to secure machine to workbench
Ideal for jewelry repair shops or personal use

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

JPB Ring Stretcher and Reducer