If our products have any problems, we can provide replacement / Return Service, welcome to contact us anytime!Easy to clampGood metal texture, comfortable surface, easy to clamp, so the output torque becomes larger.Durable and corrosion resistantThe drill chuck set is made from carbon steel, solid and durable to use, rustproof and corrosion resistant.Convex and concave surfaceNice and practical design of the convex and concave surface, so that before and after the set can effectively deal with and can reduce the shake coat.Keyless designThe drill chuck adopts keyless design, and tightening is by hand force, which offers faster and easier clamping and unchucking.Specifications:Type: Drill ChuckQuantity: 1pcMaterial: Carbon SteelColor: As shownDrill Chuck Arbor size: 13.8*2.4*2.4cm/5.4*0.9*0.9inchDrill ChuckSize: approx. 90*48*48mm/3.5*1.9*1.9inchNet weight: 1200.0g/42.33ozPackage:1 * 1-16 B18 Drill Chuck1 *MT2-B18 Drill Chuck Arbor