Router Collet Parts: for Dewalt 326286-03; for Big Horn 19693; for Bosch 2610906284; for Hitachi 325-199, 23-421, RC050DW; Package Includes 2 x 1/2" Router Collet 2610906284 1/2" Collet Chuck Fits for Bosch 1617EVS MRF23EVS MRC23EVSK MRP23EVS 1619EVS 1617 1617EVS 1618 1618EVS 1613 1613EVS 1613AEVS 1619EVS MRC23EVSK MRF23EVS MRP23EVS Router 326286-03 1/2 Inch Router Collet Fits for Dewalt DW616 DW618PKB DW618 DW618B3 DW618M DW621 DW618D DW616D DW616K DW616M DW616PK DW616SK DW618B3 DW618B3E DW618D DW618K DW618PK DW618PKB DW621 DW621-220 DW621K Router 2610906284 Fits for Bosch 1617EVS, MRF23EVS, MRC23EVSK, MRP23EVS, 1619EVS, 1617, 1617EVS, 1618, 1618EVS, 1613, 1613EVS, 1613AEVS, 1619EVS, MRC23EVSK, MRF23EVS, MRP23EVS; Fits for Hitachi KM12VC 2-1/4HP, M12SA2 3-1/4 Peak HP, M12V2, M12SC 2-1/4HP, KM12SC 2-1/4HP, M12VE Router 326286-03 Fits for DW621 Type 1 2HP Plunge Router, DW616D Type 1 D-Handle Router, DW616 Type 1 Fixed Base Router, DW616M Type 1 Fixed Base Router, DW616P Type 1 Router, DW616S Type 1 Router, DW618B3 Type 1 Three Base Router Kit, DW618B3E Type 1 Base Router Kit, DW618D Type 1 D-Handle Router, DW618 Type 1 Fixed Base Router, DW618M Type 1 Fixed Base Router, DW618P Type 1 Router, DW621 Type 2 2HP Plunge Router, DW621-220 Type 1 Router, DW621 Type 3 2-HP Plunge Router, DW618PKB(Type 1)Combo Kit Router Fxd