ITEM NAME:Keyless Drills Chuck Converter Tool,Power Hand Drill Bits Tool 1-13mm B16 Description: 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. 3 claw surface heat treatment can enhance the wear resistance and hardness of claw surface high 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. Specification: Material: 45# steel Self-tightening, key-less Package Includes: 1 piece keyless chuck SKU: DMO0012687160024203.1 piece keyless chuck. Widely used with various drill machines, milling machines, lathes, boring lathes and electric hand tools. The unique thrust bearing facilitates the application of torque by the handle into a greater clamping force.