The chucks that work with this rotary hammer are of the SDS kind. You don't need to bother with a cord, since it runs on a rechargeable battery.
From Tooled Up
Makita HR140D 12v Max CXT Cordless SDS Hammer Drill No Batteries No Charger No Case
B&Q
Makita 12V Cordless Sds+ Drill (Bare Tool) - Hr140Dz - One Size
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