This Klein Tools folding hex key set features five essential SAE sizes in a compact design that fits easily in your pocket or toolbox. Built from tough, heat-treated alloy steel, the square-cut ends ensure a secure, full-depth fit to prevent slipping or stripping.

• Tough, heat-treated alloy steel construction for long-lasting durability
• Square-cut hex ends provide a secure, full-depth fit and maximum contact to prevent slipping or stripping
• Precision-chamfered ends eliminate issues caused by cut-off burrs
• Convenient folding design reduces the risk of losing individual keys
• Includes 5 essential SAE sizes: 3/16 in., 7/32 in., 1/4 in., 5/16 in., and 3/8 in.
• Proudly made in the USA