Key shaped screwdrivers, Phillips and slotted, chrome vanadium steel material. Phillips screwdriver size: 5.6 x 1.9 x 0.6cm, bit diameter is 0.6cm. Slotted screwdriver size: 5.5 x 1.9 x 0.5cm, bit diameter is 0.7cm. Can hang on the keychanin, convenient to carry and use, emergency for all kinds of urgent needs.