- Made in USA
- 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32 and 1/4 inch sizes
- Heat treated, hardened and tempered hex keys for maximum surface resistance
- Chrome nickel alloy steel
- Grip handle of high-grade steel, nickel plated with no sharp corners or edges
