1 Fine outer sleeve, easy to clamp, greatly increase the output torsion, high working efficiency. 2 Unique thrust bearing, easy to convert the torsion into a greater clamping force, with 1/16-1/2in clamping range. 3 Concave-convex surface enables the front and rear sleeves to cooperate effectively, effectively reduces shaking. 4 With self-locking function, quick to use, not easy to slip. 1/2-20UNF thread, easy to install and remove, more labor-saving. 5 Widely used for impact drill and AC&DC electric drill of different power. Made of premium iron and plastic, rugged and durable.
What's in the box
1 x Electric Drill Chuck
