• Medium Arm Hex keys made from heat treated and hardened Chrome Vanadium steel with black finishing. • Torque is average 20% higher than DIN standard. • All keys from 3mm have chamfered edges to prevent damage to blade and fittings. • Precision produced ball end allows key to drive fixing at up to 30°, using for narrow / difficult reaching working condition. • Supplied in clip case for safe storage and quick key selection.
