Description: Capacity: 2-13mm. Handle: Round handle. Hand tightening design rotating the front sleeve then the drill bit loosen or tighten. High mechanical advantage easy to converts hand tightening torque into bit gripping force. Ideal for hand electric drill machines. Specification: Material: Metal Size:(Approx).74x43mm/3x1.7 Inch Package Includes: 1 Piece 2-13mm Drill Chuck
