9pcs hex key set Material: Cr-V Size:1.5-10mm Long arm
Heat treatment and chrome plate Packed by double blister
A hex key or Allen key is a simple tool used to drive bolts and screws with hexagonal sockets in their heads. The tool is usually formed of a single piece of hexagonal rod of hard steel, with blunt ends that are meant to fit snugly into the screw's socket, bent in an "L" shape with unequal arms.
SIZE : 1.5MM, 2MM, 2.5MM, 3MM, 4MM, 5MM, 6MM, 8MM, 10MM