ITEM NAME:Self Tighten Keyless Lathe Drill Chuck B16 1-13Mm Light Duty Taper 42x88Mm L4X5 Self Tighten Keyless Lathe Drill Chuck B16 1-13Mm Light Duty Taper 42x88Mm L4X5 Accurate precision,reliable and durable. Good metal texture, comfortable jacket 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. Beautiful and practical design of the surface convex and concave, so that before and after the set can effectively cope with and can reduce the shaking jacket. Widely used along with various drill machines,milling machines,lathes,boring lathes and electric hand tools. Clamping range:1-13 MM Inner Diameter: 15.733 MM Outer Diameter: 42 MM Height: 88 MM Color: black + silver material: metal Package included:1* Drill Chuck