YWBL-WH 2Pcs Universal Keyless Drill Chuck, 1/2-20UNF Mount, 2-13mm Self-Tightening, Compatible with Drilling Machine

• Impeccable practicability---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 2~13mm,suitable for many kinds of drill bit.
• Long term stable---The chuck can hold the drill bit tightly and sturdy,not easy to loose. The drill chuck can hold the drill bit tightly and sturdy,not easy to loose. Easy to install and disassemble,more convenient and labor-saving.
• Great vaule for money---Large range of clamp size which range from 2~13mm,suitable for many kinds of drill bit; Keyless and self-tighten type design is more in accordance with human engineering.
• Package list---1 x Drill chuck; Clamp range: 2 ~ 13mm / 0.04 ~ 0.51in; Connection size: 1/2-20UNF; Keyless and self-tighten type design is more in accordance with human engineering.
• Ingenuity design--- Instantly convert impact driver to hold non drill & driver bits; Keyless chuck finger-tightens for easy bit changes; Greater clamping force, effectively preventing drill bits loose off, more reliable.

Diameter: 43 mm / 1.69 inches. Length: 71 mm / 2.8 inches. Connection size: 1 / 2 – 20 UNF. Clamp range: 1 ~ 13 mm / 0.04 ~ 0.51 inches. Package List: 2 × Drill Chuck