Feature:1. Comfortable cover surface, easy to clamp, so that the output torsion becomes larger2. Small hole drill chuck support one-handed operation, easy to lock, shock resistance3. Beautiful and practical surface concave‑convex design, so that the front and rear sleeves can effectively cooperate and reduce the shaking of the outer sleeve, quick to use and not easy to slip4. The clamping range is from 2-13mm (1/16-1/2in), and the connecting thread size is 3/8-24UNF5. Adopt easy‑cutting steel material, suitable for impact drills, AC and DC electric drills of different powerSpecification:Item Type: Drill ChuckMaterial: Easy-cutting steelClamping Range: 2-13mm (1/16-1/2Inch)Connection Thread Size: 3/8-24UNFScope of Application: Impact drills, AC and DC electric drills of different power.Package List:1 x Drill Chuck