Part Number:Health Gear1urgi4xmoy Product Dimensions:8 x 5 x 5 cm; 279 Grams Finish:Finish Material:Material Power Source:PowerSource Installation method:InstallationMethod Item Package Quantity:1 Spout height:1 Centimetres Included Components:Inc Batteries included?:No Batteries Required?:No Item Weight:279 g 1. The chuck can hold the drill bit tightly, durable and sturdy in use About this item [Special Design]:This keyless chuck has self-tighten design, which makes the chuck more reliable when clamping the tool [Save Time And Effort]:The inside thrust bearing helps convert torque applied by the handle into a larger clamping force [Easy to Use]:Self-tighten drill chuck adopts more ergonomic design for easy operation and quick change [Fitment]: The hand drill chuck is suitable for impact drills 1050W or more [Specification]: Connection Size:1/2-20UNF; Clamp Range:2-13mm/0.04-0.51in; Diameter: 43mm/1.69in See more product details [Special Design]:This keyless chuck has self-tighten design, which makes the chuck more reliable when clamping the tool [Save Time And Effort]:The inside thrust bearing helps convert torque applied by the handle into a larger clamping force [Easy to Use]:Self-tighten drill chuck adopts more ergonomic design for easy operation and quick change [Fitment]: The hand drill chuck is suitable for impact drills 1050W or more [Specification]: Connection Size:1/2-20UNF; Clamp Range:2-13mm/0.04-0.51in; Diameter: 43mm/1.69in