The chucks that work with this impact driver are of the hex kind. You don't need to bother with a cord, since it runs on a rechargeable battery.
From Data Powertools
Metabo SSD 18 LTX 200 BL 1/4" Impact Driver Body Only With MetaBOX
Powertool World
Metabo SSD 18 LTX 200 BL Brushless Impact Driver Body Only in MetaBOX Case
ITS
Metabo SSD 18 LTX 200 BL 18V Brushless Impact Driver - With Case