Specifications:1/4" hexagonal shank fits corded/cordless drills, im-pact drivers, and electric screwdrivers, etc.Quick connect design, easily snaps into im-pact drivers and will not fall out.Will not fall out of electric screwdrivers or manual 1/4" hexagonal screwdrivers.Type: Hexagonal Key BitMaterial: Chrome-vanadium Alloy SteelQuantity: 8Pcs (1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm)Features: Convenient to Use, Durable, Power ToolsSize: 5cm x 5cm x 1cm/1.97" x 1.97" x 0.39" (Approx.)Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:8 x Hexagonal Key Bit