Black and Decker™ Backing Flange is designed for DeWalt® 4 1/2" and 6" small angle grinders, 5"/6" rat tail sag, 4 1/2" grinders, 28 V cordless cut off kit, 20 V max cut off tool, 4 1/2" angle grinders, 18 V, 20 V and 36 V cut off tools, cutting and tuck pointing dust shroud tool kit, tuck pointing and cutting shroud motor and surface grinding dust shroud kit.