The GEARWRENCH combination wrenches are durable, made from alloy steel with a bright, full polish finish. The off-corner loading design on both ends provides a stronger grip on fasteners, reduces fastener rounding, and delivers up to 25% more torque to the fasteners. Sizes are stamped on the open end head, as well as the beam for quick and easy identification. The box end is offset 15° for increased access to fasteners. The 81919 is a 44 piece 12 point, SAE and metric long pattern set including SAE sizes 1/4 in. And metric sizes 6 mm to 32 mm. 15° Offset For Better Access In Tight Spaces. Off-Corner Loading Design On Box End Provides Better Grip And Reduces Fastener Rounding. Long Pattern Beam Length For Improved Reach, Leverage And Torque. Manufactured From Alloy Steel For Better Strength And Longer Tool Life. Bright, Full Polish Chrome Finish Easily Wipes Clean And Resists Corrosion.