The 4.0 mm hex nut driver is made from hardened-steel to fit just right and prevent wear and rounding. The 1/4" drive shank features a laser-etched size for easy identification.
The 4.0 mm hex nut driver is made from hardened-steel to fit just right and prevent wear and rounding. The 1/4" drive shank features a laser-etched size for easy identification.