Screwdrivers are made of heat-treated chrome vanadium steel, which is stronger and tougher than most carbon steel. The screwdrivers tips treated with a blackening process are effectively against rust and corrosion, and with more durability.
The set includes:
7 PC Slotted Screwdriver: 1/16"x2.5", 5/64"x2.5", 3/32"x2.5", 3/16"x3", 1/4"x1.5", 1/4"x4", 5/16"x6"
6 PC Phillips Screwdriver: PH000x2.5", PH00x2.5", PH0x2.5", PH1x3", PH2x1.5", PH2x4"
2 PC Torx Screwdriver: T15x3", T20x4"
1 PC Magnetizer
13-inch Storage Case
Package Dimensions: 13.98 x 9.84 x 3.43 inches
Material: Chrome Vanadium Steel
Head Style: Flat, Phillips, Torx