Features:* * Magnetic, it can suck screws easily when you use it.* Can be used for handheld electric screwdriver, screwdriver, drill, air and other tools.* Exquisite workmanship, each edge can be accurately locked screws, no damage to screwdriver screws and bits * S2 steel, this batch head using S2 steel, batch head surface for steel material color, from the inside to the outside are the same.* A good material does not need to do surface decoration through exterior decoration, the quality of the batch is to look at the inner material. Specifications:Material: Alloy Steel S2Head Type: Cross Shank Type: 6.35mm /1/4 inch Hex Head Size Bit Dia. Length. (mm)PH1 Phi; 3.0 150PH1 Phi; 4.5 150PH2 Phi; 4.5 150PH2 Phi; 5.0 150PH2 Phi; 6.0 150Quantity: 1 Set (10pcs)Package Contents:10pcs * Phillips Screwdriver (6*PH2+4*PH1)