3M1396 Features: -The versatility of Roloc with the premium quality of Green Corps.. -Generally used for hard to reach areas in paint, rust and weld removal. -Quick 1/2 turn on, 1/2 turn off speeds disc changing and cuts down time.. -2'' Green Corpsâ„ Rolocâ„ Discs 50 Grit. Product Type: -Coated Abrasives. Generic Dimensions: -Handy quick change tool for disc grinding which fits any standard 1/4" drill or air tool.. Dimensions: Overall Product Weight: -0.33 Pounds.