ITEM NAME:6x100mm Length 2.5-8mm Hex Hexagon Head Screwdriver H2.5/3/4/5/6/8 Bits LRR Descriptio n Specifications: Type of Head:Â Hexagon Type of Shank: Hex Material: Chromium Vanadium Alloy Steel Color: picture color Dia. of Shank: 6.35mm / 1/4 inch Length of Screwdriver: 100mm Size of Bit:Â H2.5, H3, H4, H5, H6, H8 Quantity: 6pcs Usage: For 1/ 4" Pneumatic Screwdrivers Those bits fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth. Included: 1 x 100mm*2.5mm Hexagon Screwdriver bit 1 x 100mm*3mm Hexagon Screwdriver bit 1 x 100mm*4mm Hexagon Screwdriver bit 1 x 100mm*5mm Hexagon Screwdriver bit 1 x 100mm*6mm Hexagon Screwdriver bit 1 x 100mm*8mm Hexagon Screwdriver bit Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! 6pcs 100mm Hex Shank Hexagon Head Steel Screwdriver Bit Set.Type of Head: Hexagon. 1 x 100mm 2.5mm Hexagon Screwdriver bit. 1 x 100mm 3mm Hexagon Screwdriver bit. 1 x 100mm 4mm Hexagon Screwdriver bit. 1 x 100mm 5mm Hexagon Screwdriver bit. 1 x 100mm 8mm Hexagon Screwdriver bit.