24 IN 1: Screwdriver set includes common size for electronics, bezel, bracelet and larger home appliances. Size included: Philips (PH000/PH00/PH0/PH1), Flat Blade (SL1.5/SL2.0), Hex (H1.5/H2.0/H2.5), Torx Bit Set without Hole (T2/T3/T4/T5H/T6H/T8H/T9H/T10H), U-shaped (U2.6), Y-shaped (Y0.6), W-shaped (W1.5), Tri-wing (TW1), Triangular (2.3), Pentagon (P2/P5) NON-SLIP WITH ALUMINUM ALLOY BODY: The whole screwdriver is made of one-piece aluminum alloy and the polyhedral surface ensures that the handle conforms to your finger and you can operate it with one hand. And the screwdriver cover has a low noise bearing to enable smooth rotation and easy screwing. DURABLE S2 STEEL BITS WITH ANTI-RUST COATING: The torx screwdriver bits are made of durable S2 steel alloy and the hardness of the bit can reach 60HRC. It helps to increase the resilience and strength to improve durability and not easy to break. And the anti-rust treatment with environmentally friendly nickel helps the bits last