Black & Decker™ Thrust Bearing Assembly is designed for type 1 ET1275 0 - 600 RPM 1/2" drill and DeWalt® type 1 DW245 1/2" drill, type 1 DW246 1/2" VSR drill, type 1 DW245-AR 1/2" drill, type 1 DW248 1/2" BTC drill, type 1 DW249 1/2" drill, type 2 DW245 1/2" drill, type 2 DW246 1/2" VSR drill, type 2 DW248 1/2" BTC drill, type 3 DW245 1/2" drill, type 3 DW246 1/2" VSR drill.