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Item #:
152315261
1lb of MJR Tumblers Premium 1200 Silicon Carbide Rock Polishing Grit for StepStage 3 or 4, MJR Tumblers is a Disabled and Veteran Owned Company
Item #:
152315261
NZD 56
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*All items will import from US
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What Stands Out
Premium Silicon Carbide
This high-grade abrasive grit ensures effective and efficient rock polishing, delivering professional results in every use.
Veteran-Owned Company
Buying from MJR Tumblers supports a disabled and veteran-owned business, adding value to your purchase through social responsibility.
Versatile Application
Specifically designed for stages 3 and 4 rock polishing, this grit effectively addresses common polishing challenges, making it perfect for hobbyists and professionals.
Product Details
| Material | Premium Quality 1200 Silicon Carbide |
| Grit Material | Premium Quality 1200 Silicon Carbide |
| Brand | MJR Tumblers |
| Grit Type | Polish |
| Compatible Material | Premium Quality 1200 Silicon Carbide |
| Item Weight | 1 Pounds (450 grams) |
| Country of Origin | This item will be import from US |
| What is in the box | 1lb of MJR Tumblers... For more details, please check description/product details |
Who Should Buy?
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Hobbyist Lapidary
Ideal for hobbyists looking to achieve a smooth finish on various types of rocks and gemstones.
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Professional Jewelers
Beneficial for professional jewelers requiring consistent quality in polishing materials for high-end projects.
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Rock Collectors
Perfect for rock collectors who wish to enhance the appearance of their specimens through effective polishing.
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Beginners
Newcomers may find the grit too advanced without proper guidance or experience in rock polishing.
Product Description
1lb of MJR Tumblers Premium 1200 Silicon Carbide Rock Polishing Grit for StepStage 3 or 4, MJR Tumblers is a Disabled and Veteran Owned Company Proudly Located in USA
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is 1lb Silicon Carbide 1200 Polish Rock Grit Stage 4 used for?
Answer: 1lb Silicon Carbide 1200 Polish Rock Grit Stage 4 is primarily used for polishing and smoothing various surfaces, including rocks and metals. Its fine grit allows for a high degree of refinement, making it ideal for creating a mirror-like finish on gemstones and preparing surfaces prior to further machining processes. Whether you are a hobbyist polishing semi-precious stones or a professional artist creating intricate engravings, this product delivers outstanding results. -
Question:
Is Silicon Carbide safe to use?
Answer: Yes, Silicon Carbide is generally safe to use when handled with appropriate precautions. It is a synthetic material that is much harder than many natural substances, so wearing protective gear like gloves and masks while using it is recommended. This ensures safety from any dust generated during the polishing process. Understanding these safety measures not only protects you but also enhances your overall working experience while achieving that perfect polish. -
Question:
How does Stage 4 relate to other polishing stages?
Answer: Stage 4 indicates a finer grit level in the polishing process, which is typically used after coarser stages (like Stage 1, 2, and 3). This stage is specifically designed for achieving a smooth, reflective finish on materials. For instance, after using coarser grits for initial shaping, Stage 4 will refine the surface further, making it ideal for final touches. This progression ensures that your work piece meets the desired aesthetic and quality standards. -
Question:
Can I use this grit for glass polishing?
Answer: Absolutely! 1lb Silicon Carbide 1200 Polish Rock Grit Stage 4 is also effective for glass polishing. Its fine particles can smooth out scratches and blemishes, enhancing the clarity and shine of glass surfaces. When applied with a suitable technique, it can transform dull glass items, such as tools or decor, into visually appealing pieces. This makes it a valuable choice for both glass artisans and DIY enthusiasts alike. -
Question:
What surfaces can I use this grit on?
Answer: This grit is versatile and can be used on various surfaces, including rocks, metals, and glass. It's particularly popular among gem enthusiasts for polishing semi-precious stones and works exceptionally well on nearly all types of metals. Its ability to polish different materials makes it a go-to product for artists, jewelers, and hobbyists who aim for a flawless finish on their projects. -
Question:
How long does a 1lb bag last for polishing projects?
Answer: The longevity of a 1lb bag of Silicon Carbide 1200 Polish Rock Grit Stage 4 varies based on the size and type of projects you undertake. For hobbyists working on small batches of stones, the grit can last quite some time, especially if used sparingly. Conversely, professional projects requiring consistent polishing might consume more. Hence, your projects' frequency and scale will ultimately determine how long the grit lasts. -
Question:
Can this grit be reused after polishing?
Answer: Reusing polishing grit like Silicon Carbide 1200 can be possible, but it often depends on the amount of debris and material it collects during the polishing. If the grit is still relatively clean, it can be screened and reused, helping to reduce waste in your polishing practices. Always assess the condition of the grit and decide if its performance is suitable for your next project. Reuse not only saves material but also contributes to a sustainable crafting practice. -
Question:
What grit size is ideal for polishing jewelry?
Answer: For polishing jewelry, a grit size of 1200, such as that found in the 1lb Silicon Carbide 1200 Polish Rock Grit Stage 4, is particularly effective. It prepares the surface well for a fine, high-gloss finish and is ideal after coarser grits have shaped the piece. This stage provides the final touch necessary for jewelry makers to create professional-quality items that dazzle. It helps remove any fine scratches while ensuring a smooth, polished surface. -
Question:
What safety equipment should I use?
Answer: When using 1lb Silicon Carbide 1200 Polish Rock Grit Stage 4, it’s important to wear protective equipment. This includes safety goggles to shield your eyes from dust and particles, a dust mask to avoid inhaling fine particles, and gloves to protect your skin. Employing these safety measures not only keeps you safe but enhances concentration on your polishing tasks, resulting in better-quality outcomes. -
Question:
Where can I buy 1lb Silicon Carbide 1200 Polish Rock Grit Stage 4 in New Zealand?
Answer: You can purchase 1lb Silicon Carbide 1200 Polish Rock Grit Stage 4 from Ubuy, a trusted e-commerce platform that offers a wide range of products. Ubuy provides the convenience of finding this specific grit along with detailed product descriptions, helping you make informed decisions. Shopping on Ubuy ensures you access reliable products while benefiting from their user-friendly interface and customer service.
MJRTumblers Tumbling Media Editorial Review
**** The 1lb Silicon Carbide 1200 Polish Rock Grit Stage 4 has garnered a mix of positive feedback and some nuances of concern amongst customers. Many users have praised the product for its effectiveness in rock tumbling, noting that it works well in preparing rocks for polishing, particularly when used in conjunction with a quality tumbler. Customers reported satisfactory results with their stones appearing polished and ready for display, affirming the grit’s reliable quality. One of the standout features highlighted by reviewers is the ease of use. Many find it a straightforward product that integrates seamlessly into their rock tumbling process, making it appealing for both novices and seasoned tumblers. The performance is Consistently remarked upon as delivering good polishing results, further boosting its reputation in the rock tumbling community. Nevertheless, some feedback pointed out issues with the labeling on the bags. Reviewers expressed that the small text was difficult to read, leading to concerns that they might confuse different grit sizes. This has prompted some customers to take matters into their own hands and create their own labels to ensure correct usage. Furthermore, observations were made about the grit breaking down more quickly than expected, raising questions about its longevity during tumbling cycles. Overall, while the product performs effectively in rock tumbling tasks, customers advise potential buyers to account for the labeling challenges and Consider their own grit usage strategies. **
Customer Reviews & Ratings
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Pros
- Effective for rock tumbling and polishing
- Users reported good quality results after use
- Easy to incorporate into tumbling processes
Cons
- Poorly designed labeling makes it hard to differentiate between grits
Platform Trust & Buyer Confidence
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“Paint ordered from USA, u buy got the product to me in New Zealand in approx a week”
22 July 2026 · via Trustpilot
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“Product came earlier than expected (shipped from US to NZ), in about 3 weeks. No damages and product was exactly as advertised!”
15-Jul-26 · via Trustpilot
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Tania
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“Easy to order, easy to track and the product is great to use. Also, the person-to-person (not automated) phone call I got to confirm that I'd received the item was wonderful ??”
11-Jul-26 · via Trustpilot
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NZD 56
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Premium quality 1200 grit silicon carbide for optimal stone shaping.
- Compatible with any brand of rock tumbler.
- Ideal for the third or fourth stage of stone polishing.
- Supports disabled and veteran entrepreneurs.
- Proudly made in the USA, based in Pecatonica, Illinois.
- Perfect for achieving professional-grade results in rock tumbling.
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