Material: rubber, silicon carbide
Specification: 132 pieces abrasive rings set in one package

Features: package includes: 120 sanding rings in 1/2inch, 3/8inch and 1/4inch diameters, 40 pcs of each size, and 12 shank sanding drums in /2inch, 3/8inch and 1/4inch diameters, 4 pcs of each size, total 132 pcs set.
Sanding rings are used for smoothing surfaces and curved edges, polishing soft and hard materials such as home decor, artwork and woodwork.
The drum core features a self-expanding rubber gasket to keep the sanding ring tightly fitted to the drum core, if the sanding ring comes off the shaft while in use, make sure the drum is tightened.
Note: Please wear professional safety glasses to protect your eyes as there may be splashing grit when the sanding drum rotates at high speed.
Suitable for most grinder rotary tools, an ideal accessory for you.