Description Very suitable for household appliances, such as TV, air conditioner, fan, refrigerator, car maintenance, etc. The drill bit made of S2 steel is heat-treated to hardness and durability. The headband has strong magnetism, which can easily absorb screws during installation. The perforated design is suitable for general screws and anti-theft screws. Electric screwdriver, manual screwdriver, electric drill, pneumatic screwdriver and other tools are universal. The torque can be easily adjusted without special tools, and the anti-slip handle provides a comfortable and safe grip. Name:screwdriver set Straight diameter of handle:general specification of hexagonal handle. Distance from opposite side is 6.35mm(1/4 socket). Quantity:16pcs/set Colour:Silver Material:steel Package Contents: 1 * screwdriver handle 1 * 60mm extension rod 2 * Solid screwdriver head 12 * with screwdriver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.