Size - 2mm tri-angle head, shaft size: 5mm x 100mm / 0.2" x 4" (D*L), total length: 200mm / 7.87".Material: The shaft is made of chrome-vanadium (CR-V) steel with nickel plated finish, high strength and wear-resistant.Magnetic Design - Can hold the screw securely before installation and after removing the screw to improve efficiency.Application - Widely used for DIY hand-making, home appliances maintenance, automobile maintenance and most general repairs.Notice - Do not turn the screws with mismatched size to avoid damage to both the screw and the driver.1. The shaft is made of chrome-vanadium (CR-V) steel with nickel plated finish, high strength and wear-resistant.2. Ergonomically designed plastic handle, non-slip and comfortable hand feeling.3. Widely used for DIY hand-making, home appliances maintenance, automobile maintenance and most general repairs.4. The magnetic tip can easily hold the screw when in use.5. Notice: Do not turn the screws with mismatched sizes to avoid damage to both the screw and the driver.