1. The hand shank is mainly make of aluminium alloy, durable and light2. Automatically flip design, convenient to take out the accessories and portable3. Suitable for laptops, smart phone and tablet computer4. Different kinds of screwdrivers, satisfied with different demands5. Bits are made of 6150 CR-V after hardening treatment and bright chrome plating, durable and reliable6. Package Includes: - 36 x CR-V Bits Screwdriver Set (Torx: T3, T4, T5, T6, T7, T8, T9, T10, T15, T20 Others: H0.9, H1.3, H1.5, H2.0, H2.5, H3.0, H3.5, H4.0 Straight: 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0 Philips: 1.0, 1.5, 2.0, 2.5, 3.5 Triangle: 2.3 Y shape: Y2.0 Five star: 0.8, 1.2 U Shaped: U2.6 Point: 0.8) - 1 x Aluminium Alloy Handle - 1 x Extension Bar