Magnetic Screwdriver Set Cubic Thread Screwdriver Drill Accessories 6 Types 40JAOOTDTYThe surface: the surface is coated with blue plastic that prevents them from slipping off the screwdriver. These screwdriver drill bits are made of S2 alloy steel, which is commonly used in high-hardness equipment. Strong magnetic, fine workmanship, high precision. Each edge can be accurately locked screws, no damage to screws and bits to the screwdriver. These bits fit for electric screwdrivers, handheld screwdrivers, electric drills, air drills and so on. There are 12pcs cross bits, PZ1,PZ2,PZ3,PH1,PH2,PH3, each of them has 2, which can meet your different needs. The magnetic bits can be securely attached to screwdrivers. Specification: Material: S2 Steel Length: 50mm/1.97 inch Head Type: Cross Stem Type: HexQuantity: 12 Pieces, PZ1,PZ2,PZ3,PH1,PH2,PH3, each has 2 pieces. Package Includes: 12pcs ScrewdriversNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.