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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.
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.
and has long service life,suitable for long time work.
Easy to install and disassemble, more convenient and labor-saving.
Specification: Diameter:43mm/1.69in Length:71mm/2.8in Connection Size:1/2-20UNF Clamp Range:1 ~ 13mm / 0.04 ~ 0.51in Package List: 1*Drill Chuck