Features:* Ballpoint Screwdriver Bit: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm and 10mm; Model: H1.5/H2/H2.5/H3/H4/H5/H6/H8/H10; Each screwdriver is dimensioned in a consumer-friendly way.* Good workmanship, high precision, this ball head Allen bit is made of high quality S2 steel, heat treated for durability, hardness reaches 61RCH.* Can be easily sucked on screwdrivers, the bit can be firmly attached to screwdrivers and hold screws firmly, can improve work efficiency.* Can be used in 25° or vertically, suck screw in the vertical or inclined side, suitable for limited space.* Easy to carry, it is an ideal tool for automotive, home, manufacturing, construction, domestic and other industries. Specifications:* Item Name: Ball Screwdriver Bit * Material: S2 Alloy Steel * Surface Treatment: Anti-rust Electroplating * Head Type: Ball Head * Shank Type: 6.35mm ( 1/4 inch) hex * Model: H1.5, H2, H2.5, H3, H4, H5, H6, H8, H10 * Length: 100mm (Approx.) * Quantity: 1 PcPackage Included:1 * Screwdriver BitNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.