Round Shaft, 4-inchMAGNETIC TIP SQUARE RECESS Size: S#1REINFORCED 3-sided High-Performance Handle is heat-stabilized and modified to provide excellent abrasion protection, impact resistance, and chemical tolerancePRECISION-MACHINED tips engage fasteners with a reliable and secure fitRUGGED TRI-ALLOY U.S. STEEL Blades are Vacuum heat-treated, balancing hardness and resilience for ultimate performanceVIBRANT Polished Shaft provides a non-porous finish and coated for corrosion resistanceINDICATORS for product type and size are heat stamped for easy identificationCHANNELLOCK BLUE solid grip reduces fatigue and maximizes torque100% MADE IN USA