This is a practical 1/4" tool bits handle that can use all available 1/4" (6.35mm) Power Tool bits from Traxxas, Hudy & M-Drive. It's a nice complement to the M-Drive P1 electric screwdriver where you want to use hand power instead of the powerful P1 machine.
Specs:
Tool holder: female magnetic hex for 1/4" (6.35mm) power tool bits