Heavy duty  Chuck made of HSS and ABS, very sturdy and durable, anti-abrasive, resistant to shock.

The size of drill chuck adapter be adjusted within 0.8-13mm

convenient to use standard bits on  drill , has a great smooth and fluid action and up.

chuck with unique torque thrust bearing, delicate design, to get a strong grip by just tightening the chuck, fastened and stable.

Suitable for 13mm Reversible drill machine and cordless Drill Machine