★Made from high quality 45# steel, long hardness life, not easy to corrosion, solid and durable to use ★Good metal texture, comfortable surface, easy to clamp, so that the output torsion becomes larger ★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 ★Package contant:1Pcs Morse Taper Adapter, Manufacturer: SENRISE