Mounts on hard rubber drum. 1.5" diameter 4.5" long rubber drum.
Fits Ryobi OS450 machine as well as any 1.5" diameter x 4.5" long rubber drum.
Typical application is for woodworking.
Can be used on metal and plastics.
This item has a firm backing to maintain the round shape.
Note: The photo shows the type of product that this is, but may not correctly reflect the size and grit of this item. The size and grit is show above.