1/2" Router Collet Part Replace: Dewalt 326286-03; Big Horn 19693; Bosch 2610906284; Hitachi 323-421 RC050DW for Dewalt DW616 Router Parts (Type 1), DW616D Router Parts (Type 1), Dewalt DW618 Router Parts (Type 1), Dewalt DW618D Router Parts (Type 1), DeWALT DW621 Router Parts (Type 1), DeWALT DW621 Router Parts (Type 2) for Bosch 1606A, 1613, 1613AEVS, 1613EVS, 1617, 1617EVS,1618,1604A,1606A,1618EVS,1619EVS, B1350, B1450, 16171, 16176, 16181,16186, 13020, 1604A, 1606A, 1613AEVS, 1649, MRF23EVS