GP9298HC Features: -Made of high quality steel (chrome-molybdenum); thorough and exact heat treatment insures the correct balance of strength and durability.-Thorough and exact heat treatment insures the correct balance of strength and durability.-Packaged in a molded storage case.-1/4"" Drive Fractional and Metric Impact Hex Driver Set. Includes: -Lifetime warranty Set includes: 1/8", 5/32" / 4mm, 3/16", 7/32", 1/4", 5/16" / 8mm, 3/8", 2mm, 2.5mm, 3mm, 5mm, 6mm, 7mm, 10mm.. Warranty: -30 day warranty on material and workmanship.