REINFORCED 3-sided High-Performance Handle is heat-stabilized and modified to provide excellent abrasion protection, impact resistance, and chemical tolerance. PRECISION-MACHINED tips engage fasteners with a reliable and secure fit. RUGGED TRI-ALLOY U.S. STEEL Blades are Vacuum heat-treated, balancing hardness and resilience for ultimate performance. VIBRANT Polished Shaft provides a non-porous finish and coated for corrosion resistance. CHANNELLOCK BLUE solid grip reduces fatigue and maximizes torque. 100% Made in USA.