Diameter: 43mm/1.69in; Length: 58mm/2.28in; Connection size: 1/2-20UNF; Clamping range: 2 ~ 13mm / 0.04 ~ 0.51in.The chuck can clamp the drill bit tightly and not easy to loosen, it can better match the rotation of the tool, and it is more safe and stable under high speed rotation.
Wide range of clamp sizes, from 1mm to 13mm, suitable for a wide range of drills.
Excellent workmanship, sturdy and durable, long service life, suitable for long time work.
The keyless self tightening design is more ergonomic, providing a more comfortable hand experience and reducing hand fatigue.
Easy to install and remove, more convenient and labor saving.