The chucks that work with this hammer drill are of the keyless kind. You don't need to bother with a cord, since it runs on a rechargeable battery.
From Tooled Up
Bosch GSB 18V-21 18v Cordless Brushless Combi Drill No Batteries No Charger Case
Conrad Electronic
Bosch Professional GSB 18V-21 2-speed-Cordless impact driver