3M - Top Mount - Diamond - Nickel Bond - 4" sintered áComes with an attached wrist

áComes with an attached wrist strap for additional support while walking and for convenient hanging during storage

or without rubber wherein you attach your disc directly to the head

The hoods are easy to remove for cleaning or wheel changes

The round dipped handles provide a comfortable grip

3M - Top Mount - Diamond - Nickel Bond - 4" sintered áComes with an attached wristThese are replacement abrasive films for your 4" Flat Top Grinding Diamond Kits. They amazing for Lapidary and Glass applications: Great for very quick grinding, material removal and flattening of large stones, pre cut glass bottles and more. Available in 4" Diameter in the following grades: XX COARSE, X COARSE, MEDIUM, FINE and 4 GRADE COMBO SET With proper use, you can expect an extremely long life and durability.