SET INCLUDES: PHILLIPS #1 x 4, #2 x 4, #3 x 6 Slotted 3/16 x 4, 1/4 x 4, 5/16 x 6. 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.