About this item Style design accord with ergonomic rod principle, easy to operate, not fatigue easily, it can solve stubborn screws on the air filter, a high-end patch card or etc. The handle is made of PP, double plastic anti-slip design, very comfortable to use Designed according to factor engineering humans, it achievemaximum torque Screwdriver handle is specially designed according to human factors engineering and is comfortable and convenient to use The professional hand tool screwdriver is made of steel chrome vanadium, stronger torsion in use Product Professional hand tool screwdriver is made of chrome vanadium steel. chrome vanadium, stronger torsion in use. Shank is made of PP, double plastic anti-slip design, very comfortable to use, accord style design with ec the ergonomic rod principle, easy to operate, not fatigue easily. The style design accord with the ergonomic rod principle, easy to operate, not fatigue easily, it can solve problems. stubborn screws on the air filter, a high-end patch card or etc. The handle is made of PP, double plastic anti-slip design, very comfortable to use. Chrome vanadium steel rod group, high hadrness and toughness, good service life. Specification: Material: alloy steel chrome-vanadium. Color: show as pictures. Size: show as pictures. Note:There might be bit color distortion due to different computer resolutions. There might be size errors due to different computer resolutions. Package includes: 1 * Type U Screwdriver Kit (including 4p cs).