It is suitable for most AC Power drill and cordless applications with a 1/2"-20 right handed spindle mount.

Comfortable surface of sleeve and positive gripping can apply more output torque.

Specialized anti-thrust bearing to convent hand-applied torque into superior gripping force.

Features:

Capacity: 2-13mm(1/2in) diameter

Chuck Diameter(Base): 43mm(1-5/8in)

Total Length:75mm(3in); 62mm( 2-9/16in)-with jaws retracted

Spindle Mount: 1/2"-20 right handed thread

Net weight: 9oz.