Hex sizes 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4", 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, and 8mm * 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