Description:2-13mm Keyless Impact Drill Chuck for Electric Hammer Drill Tool AccessoriesSpecification:          Material       carbon steel; claws of tungsten steel           Clamping range       2-13MM           Size       65mm * 42mm(Height * diameter)           Mount       1\/2-20UNF         Features:Outside shell is carbon steel、 claws is tungsten steel.Durable and long service life.Package Included:1 x Drill ChuckMore Details: