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Durable Black Oxide Finish: The hex keys have a black oxide finish for corrosion resistance and long-lasting durability.
Mechanical Operation: The hex keys use mechanical operation for smooth turning and precise torque control.
Comprehensive 22 Piece Set: Includes long arm hex keys in 3/8, 7/16, 1/2, 9/16, and 5/8 inch sizes to cover a wide range of tasks.
Stanley Brand: Made by Stanley, a trusted brand known for quality hand tools.
Compact Storage: The set of 4 hex keys fits conveniently in tool boxes or on tool racks for easy access.
Wrenches meet or exceed ANSI/ASME B18.3 specifications. Chamfered hex key edges to give better fit and reduce stripped fasteners. Black oxide finish resists rust.