Features:*Ball End Screwdriver Bit: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm and 10mm; Model: H1.5/ H 2 / H2.5 / H3 / H4 / H5 / H6 / H8/ H10; Each screwdriver is labeled with the dimension in a consumer-friendly way.*Fine workmanship, high precision, this ball head hex bit is made of high quality steel, heat treated for durability, hardness reaches 61RCH.*Can easily suck screws, the bit can be firmly attached to screwdrivers and hold the screws firmly, can improve your work efficiency.*Can be used at 25 or vertical, suck the screw in vertical or inclined side, suitable for limited space.*Easy to carry, it is the tool for the automotive, household, manufacturing, construction, home improvement and other industries.Specifications:*Item Name: Ball End Screwdriver Bit*Material: Alloy Steel*for treatment: Electroplating anti-rust*Head type: ball head*Type of shank: 6.35mm ( 1/4 inch )hex*Model: H1.5, H 2, H2.5, H3, H4, H5, H6, H8, H10*Length: 100mm (Approx.)*Quantity: 1pcPackage Included:1*Screwdriver BitNote: 1.The real color 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.