Manufactured by Allen, the original creator of hex keys, this 22-piece set features precision-formed keys for an exact fit. Each key is heat-treated from high-strength alloy steel to ensure maximum strength and resistance to rotational distortion.

• Longer length provides additional leverage and extended reach for difficult tasks
• Constructed from high-strength alloy steel for durability
• Heat-treated to provide superior strength and resistance to rotational distortion
• Precision-formed to exact dimensional tolerances for a precise fit
• Includes color-coded caddy for organized and efficient storage
• Comprehensive 22-piece set: SAE (0.050 to 3/8 in.) and Metric (1.5 to 10 mm)