9pcs Extra Long Arm Hex Key Set
High grade alloy steel, heat-treated and tempered for added strength
Rust and corrosion resistant surface.
Keys with size marking for easy of identification.
Chamfered tips for easy of entering into screws and fasteners.
Surface: satin finish.
1/16, 5/64, 3/32, 1/8, 5/32, 3/16, 1/4, 5/16, 3/8inch