PB Swiss Tools PB 2212LH-10 Ballend hex wrench set long stubby tip 100 degree angle and short key part for hard-to-reach screws. 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.