The Channellock 5-piece precision TORX screwdriver set offers advanced performance features to conquer the toughest jobs. Specifically designed to fit the needs of today’s trades professional, Channellock screwdrivers are equipped with precision machined vacuum heat-treated tri-alloy steel blades for durability and have a non-porous, coated finish for lasting corrosion-resistance. The high-torque, reinforced handles include a part indicator for easy identification and tips are precision-machined for a proper fit on fasteners with great control. Exceed the expectation with Channellock professional drivers made in the USA.Reinforced three-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