Bondhus 12591 GorillaGrip Set of 9 Hex Fold-up Keys, sizes .050-3/16-Inch Hex sizes .050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, and 3/16" The color-coded GorillaGrip fold-up handle is 40% stronger than steel handles Tools are Made in the USA with Bondhus proprietary Protanium steel and are up to 20% stronger than competitor tools ProGuard Finish is 5 times more effective than the next leading brand in preventing rust, protecting your investment over time Lifetime warranty - we will replace it free of charge