2PCS 19691 1/4" and 19693 1/2" Router Collet fits for Dewalt 326286-04,326286-03, Hitachi 323-293,325-199, 323-421,Bosch 2610906283,2610906284 - Amazon.com
1/2" Collet for Bosch Router
Bosch 12 Amp 2-1/4 HP Variable Speed Plunge and Fixed Base Corded Router Kit with Bonus 15 Amp Corded Benchtop Router Table 1617EVSPKRA1181 - The Home Depot
Big Horn - Router Collet for DeWalt & Bosch - 1/2"
Bosch 2610906284 1/2" Collet Chuck Replacement Tool Part for 1613, 1617, 1618, & 1619 Series Routers (2-Pack) | Helton Tool & Home
BRS - Bosch Style Router Collet - Galaxy Products
Replacement 1/2" Collet and Locknut for Bosch Router Lock Nut Colet | eBay