The perfect accessory for all your drilling tasks and easily converts from screwing to drilling with a quick connection.Material: Made of all metal, durable and suitable for long working hours.Accessories: Mounting: 1/2-20UNF*1/4inch Hex and 1/2-20UNF*SDS-Plus .Clamping range: 1-13mm (1/32inch -1/2inch ); Connection size: 1/2-20UNF. Design: Unique single sleeve design, easy to tighten with one hand; Keyless -tightening design, more ergonomic; The collet can hold the drill bit tightly.Colour:As shownMaterial:MetalPackage Contents:1 x drill chuck2 x Only the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.