●ANTI-CORROSION & ANTI-RUST screwdrivers are made of heat-treated chrome vanadium steel, which is stronger and tougher than most carbon steel, with increased durability and extended service life. ●PRECISION MAGNETIZED TIPS for added efficiency. Easily hold fasteners to start screwing and also prevent fasteners from dropping after unscrewing. Better to use with a magnetizer. ●NON-SLIP HANDLE for maximum torque and comfort. The swivel end cap of the precision magnetic screwdriver allows constant finger pressure while driving, and the non-slip PP+TPR grip offers maximum turning power. The precision screwdrivers size is indicated on the end cap, making it easy to identify the right screwdriver for the job. ●PORTABLE CARRYING POUCH: The precision screwdriver set comes with a zipped storage pouch to keep your tools neatly organized and easy to carry. ●10 DIFFERENT SIZES TO MEET VARIOUS NEEDS: (4) Flat screwdriver: 1/16", 5/64", 3/32", 1/8"; (3) Phillips screwdriver: PH000, PH00, PH0; (3) Torx screwdriver: T7, T8, T9. Ideal for daily repairs like electronics, cameras, watches, glasses, jewelry, etc.