Bondhus 10637 Set of 13 Balldriver Screwdrivers, ProGuard Finish, sizes .050-3/8-Inch Angle entry up to 25 degrees on sizes .050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, and 3/8" ComfortGrip handles are designed for maximum torque with ultimate comfort and grip 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