Features:
Good metal texture, comfortable surface, easy to clamp, so that the output torque becomes larger.
The unique thrust bearing facilitates the application of torque by the handle into a greater clamping force.
Clamping force of this self-tightening chuck would increase according to required force.
Keyless design, tightening and loosening is by hand force, which offers a quicker and easier chucking and unchucking.
Widely used with various drill machines, milling machines, lathes, boring lathes and electric hand tools.

Specifications:
Material: 45# steel
Chuck Capacity: 0-13mm(1/2")
Chuck Inner Diameter: 15.733mm(0.61")
Chuck Out Diameter: 40mm(1.57")
Chuck Length: 88mm(3.46")
Arbor Type: R8-B16

Package Includes:
1 x Chuck & Arbor