RTumbler Professional Grade Rock Polishing Grit
RTumbler lid and clamp set for Thumler A-R12
Third-party A-R12 acrylic lid with the model’s clamp style.

Price info
This is a monthly price snapshot supplied by Rainforest, not a live quote. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
View on AmazonAmazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.Opens the product on Amazon. Payment takes place on Amazon.
Use and fit
Choose this set when you need both the lid and metal clamp for the A-R12 drum. Check the original closure against the photo and follow the manufacturer’s fitting instructions. The clamp style is the useful distinction from the round retaining rings used on smaller drums.
Specifications
- Brand
- RTumbler Professional Grade Rock Polishing Grit
- Listed model
- ar12 lid
- Verified detail
- Third-party A-R12 acrylic lid with the model’s clamp style.
Questions before buying
How can I distinguish it from the R-3 lid kit?
The pictured A-R12 set has a metal clamp. The smaller R-3 uses a different retaining ring and lid.
Compare before you buy
The complete A-R12 is the matching machine when the drive or drum also needs replacement. Thumler A-R12 rotary rock tumbler