Small head profile with 72 teeth, a 5° arc swing and high torque capacity. Length engineered for proper leverage for each opening size 12 point box end with off corner torque loading for greater strength. Open-end offset 15° with full engagement depth for fastener High-alloy steel for durability, full polish mirror chrome-plated finish Stamped size easily identifiable on both sides of wrench All product stamped Cougar Pro and meet ASME B107.1 and ASME B107.10 standards