1 8

MJRTumblers

Rock Tumbler Grit Kit Refill for 25lb Tumblers, 4 Step Silicon Carbide & 12,000 Grit Aluminum Oxide Polish, Stone Polishing Kit for Rotary & Vibratory Rock Tumblers

Rock Tumbler Grit Kit Refill for 25lb Tumblers, 4 Step Silicon Carbide & 12,000 Grit Aluminum Oxide Polish, Stone Polishing Kit for Rotary & Vibratory Rock Tumblers

$47.84 USD
$47.84 USD
Sale Sold out
Shipping calculated at checkout.

About This

  • COMPLETE 4-STAGE ROCK POLISHING SYSTEM: This refill grit kit includes all four essential stages of rock tumbling—coarse (60/90), fine (120/220), pre-polish (400/600), and ultra-fine 12,000 grit aluminum oxide polish. Designed to guide stones from rough surfaces to a smooth, polished finish.
  • 12,000 GRIT ULTRA-FINE POLISH FOR FINAL FINISH: The included sub-micron aluminum oxide polish is designed for the final stage, helping bring out a smooth, refined surface. Ideal for achieving a clean and polished appearance after shaping and smoothing stages
  • PRE-MEASURED FOR 25LB TUMBLERS – EASY TO USE: Each stage is pre-measured specifically for 25lb rock tumblers, simplifying the polishing process. Just add the contents at each stage and let the tumbler do the work—no complicated measuring required
  • COMPATIBLE WITH ROTARY & VIBRATORY TUMBLERS: Works with most rock tumblers, including rotary and vibratory models. A versatile grit refill option for maintaining your polishing workflow or restocking supplies.
  • USA OWNED BRAND WITH QUALITY MATERIALS: Offered by a USA-based, disabled and veteran-owned company. MJR Tumblers provides reliable rock tumbling supplies designed for consistent performance and ease of use.
View full details

Explore Our Collections

Customer Review

  • Daniel Brooks

    ⭐⭐⭐⭐⭐

    "Saved me from an expensive plumbing repair"

    I discovered a small leak under my kitchen sink late at night.

    This repair tape was incredibly easy to apply and stopped the leak immediately.

    It held securely until I could arrange a permanent repair.

    A must-have item for every homeowner.

  • Sophia Mitchell

    ⭐️⭐️⭐️⭐️⭐️

    "Quick fix that actually works"

    I used this waterproof repair tape on an outdoor water pipe.

    The application took only a few minutes and the seal has remained strong through several rainstorms.

    It's durable, reliable, and much easier than I expected.

    I'm very impressed with the results.

  • Ryan Cooper

    ⭐️⭐️⭐️⭐️⭐️

    "Perfect for emergency repairs"

    A pipe in my garage started leaking unexpectedly.

    This tape gave me a fast temporary solution without needing special tools.

    The adhesion is strong and the material feels high quality.

    Definitely worth keeping in a home repair kit.

  • Emma Sullivan

    ⭐⭐⭐⭐⭐

    "Every DIY homeowner should have this"

    I purchased this for emergency household repairs and it exceeded my expectations.

    It sealed a leaking connection quickly and helped prevent further water damage.

    The instructions were simple and the product worked exactly as advertised.

    I'll be ordering another roll just to keep on hand.
Home

Blogs

View all
  • Gloved hand caulking a marble countertop joint, with close-ups of tile, countertop, wood trim, shower, and sink finishes.

    Why Do Expensive Materials Still Look Cheap Whe...

    Expensive materials do not always create an expensive-looking interior. The final impression often depends on how carefully those materials are joined, sealed, and finished. Uneven gaps, messy caulking, poor surface...

    Why Do Expensive Materials Still Look Cheap Whe...

    Expensive materials do not always create an expensive-looking interior. The final impression often depends on how carefully those materials are joined, sealed, and finished. Uneven gaps, messy caulking, poor surface...

  • Side-by-side comparison of a busy living room with patterned decor and a calm living room with neutral colors.

    Why Do Some Rooms Feel Calm While Others Feel V...

    A calm room is not necessarily empty or minimalist. It feels peaceful when colors, textures, furniture, and visual details work together without competing for attention. Visual noise often comes from...

    Why Do Some Rooms Feel Calm While Others Feel V...

    A calm room is not necessarily empty or minimalist. It feels peaceful when colors, textures, furniture, and visual details work together without competing for attention. Visual noise often comes from...

  • Brown leather sofa and armchair with neutral cushions and a wooden coffee table in a sunlit living room.

    Why Does Leather Change the Feel of a Home?

    Leather can change the feel of a home through color, texture, visual weight, and tactile quality. A leather sofa, chair, ottoman, or desk chair can become a strong design element...

    Why Does Leather Change the Feel of a Home?

    Leather can change the feel of a home through color, texture, visual weight, and tactile quality. A leather sofa, chair, ottoman, or desk chair can become a strong design element...

  • Refined home interior showing how fixed details make a room look more expensive

    Why Does Your Home Look More Expensive When You...

    A home can look more expensive without expensive furniture or major renovations. Clean edges, smooth transitions, consistent lines, and well-maintained surfaces can create a more polished and refined impression. Small...

    Why Does Your Home Look More Expensive When You...

    A home can look more expensive without expensive furniture or major renovations. Clean edges, smooth transitions, consistent lines, and well-maintained surfaces can create a more polished and refined impression. Small...

1 4
View all