Multi Quick Change Keyless Chuck Keyless Hand Drill Chuck 1/2-20UNF Mount 1~13mm Self-tighten Drill Chuck for Multiple Purposes

Diameter:43mm/1.69in; Length:58mm/2.28in; Connection Size:1/2-20UNF; Clamp Range:2 ~ 13mm / 0.04 ~ 0.51in . The chuck can hold the drill bit tightly and sturdy,not easy to loose. Durable and has long service life,suitable for long time work. Easy to install and disassemble,more convenient and labor-saving. Large range of clamp size which range from 1~13mm,suitable for many kinds of drill bit. Keyless and self-tighten type design is more in accordance with human engineering. Specification: br Diameter:43mm/1.69in br Length:71mm/2.8in br Connection Size:1/2-20UNF br Clamp Range:1 ~ 13mm / 0.04 ~ 0.51in br br Package List: br 1*Drill Chuck br br