Durable & hard wearing hex keys, offering performance in commercial and
industrial applications. These specially hardened bits are highly
recommended for use in conjunction with air & electric driven impact
6 x ½" Square Drive hexagon keys: (8, 10, 12, 14, 17, 19mm)
Manufacturered from tough chrome molybdenum for regular high torque
Hardened, tempered and chemically blackened for long term durability.
Supplied in a handy moulded storage case.