Concrete Drill Bit Set, Easy-to-Hold Craftsmanship, Good Performance, for Outdoor Use

1. 1. Comfortable cover, easy to tighten, so the output twist becomes greater. 2. Small hole chuck supporting one-handed operation, easy to lock, shock resistant. 3. Beautiful and practical concave-convex design, so the front and rear sleeves can cooperate effectively and reduce outer sleeve shaking, quick to use and not easy to slip. 4. The clamping range is 2 to 13 mm (1/16 to 1/2 in) and the connecting thread size is 3/8 to 24 UNF. 5. Adopting easy-to-cut steel material, suitable for impact drills, AC and DC electric drills of different power levels. Specifications: Item Type: Drill Chuck Material: Easy-to-cut steel Clamping Range: 2-13 mm (1/16-1/2 in) Connecting Thread Size: 3/8-24UNF Scope of Application: Impact Drills, AC and DC Electric Drills of different power levels

Package list: 1 x chuck