Features:* Ball Screwdriver: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm and 10mm; Model: h10/H8/H6/H5/H4/H3/H2.5/H2/H1.5.* Each screwdriver is marked with dimension in a consumer-friendly way.* Good workmanship, high precision, this Allen bit drill bit set is made of high quality S2 steel, heat treated for durability, hardness reaches 61RCH.* Screws can be sucked easily, Allen bits can be firmly attached to screwdrivers and hold screws tightly, It can improve work efficiency.* It can be used in 25° or vertical, and can suck the screw on 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:Product Name: Ball Tips Hex ScrewdriverMaterial: S2 Stainless SteelColor: Silver Head Type: Ball HeadOptional Length: 50mm, 75mmType: H1.5/2.0/2.5/3.0/4.0/5.0/6.0/8.0/10mm Suitable for: Automotive, Household, Manufacturing, Construction, Home. Quantity: 9pcs/setPackage Included:9 × Ball Bits Hex ScrewdriverNotes:1. Transition: 1cm=10mm=0.39 inch.2. 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.3. Please allow slight manual measurement deviation for the data.