Description B18 1 16mm Alloy Self locking Click Keyless Drill Chuck Adapter For CNC Milling Drilling Lathe Specification Model B18Material AlloySuitable For Drill Shank Diameter 1 16mmItem Inner Diameter 13mmItem Height 98mmItem Outer Diameter 45mmQuantity 1pcFeatures 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 Package Included 1pc x Drill Chuck Notice 1 Please allow a bit error due to manual measurement Pls make sure you do not mind before you bid 2 The color may have different as the difference display pls understand More Details