PB Swiss Tools PB 212ZH-12 Ballend hex set SAE 12 pieces

12 piece standard ballend hex set with in SAE (inch sizes) from 1/20" to 5/16". In plastic holder. Made from PB's exclusive alloy and chrome plated (except size 1/20") Every PB hex key is held to tolerances less than a human hair for perfect dimensional accuracy. Only Ball Point Hex Key manufactured with 30+ degrees of movement and perfect dimensional accuracy. PB's spring steel, despite a hardness of 58-60HRC, allows toughness/elasticity in its hex keys. All PB Swiss Tools are 100% Swiss-made. Every PB Swiss Tools product comes with an unlimited lifetime guarantee.