Engineered by the original manufacturer of hex keys, this 13-piece set features precision-formed keys for an exact fit. Each tool is heat-treated from high-strength alloy steel to ensure maximum strength and resistance to rotational distortion.

• Ball-plus design allows for entry angles up to 25° to access hard-to-reach areas
• Constructed from high-strength alloy steel for long-lasting durability
• Heat-treated to provide superior strength and resistance to rotational distortion
• Precision-formed to exact dimensional tolerances for a precise fit
• Includes a color-coded caddy for organized and efficient storage
• Comprehensive 13-piece SAE set: 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8 in.