- Made of Chrome Vanadium steel (CR-V), heat treated high hardness, wear resistance, durable and long service life.

- Classic keyed 3-jaw chuck design with a wide clamping range of 1.5-13mm(1/16''-1/2''), can firmly secure various twist bits, step bits, paddle bits and some circle saws.

- SET : 1 x Chuck, 1 x Hex Chuck Key, 1 x 1/2 Square Socket Adaptor.