- 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.

- 1/2''-20UNF thread drill chuck with 3 different drill chuck extension, suitable for gyro-screwdriver, wireless screwdriver, impact screwdriver, impact wrench, angular polishing machines and other driver tools powered by electricity or air.

- Availabel for many options.