Features:* Made of high quality material, durable and practical to use.* Non-slip electric hex chuck for philips screwdriver bit.* Professional power tool accessory for Phillips head connectors.* Heat-treated and hardened S2 tool steel absorbs shock, reisist and cam-out for excellent tool life. The blades have special non-slip grooves for better grip on the surface of the screw.* Magnetic tips help prevent screws from dropping.* 1/4 inch quick-change shank fits drill chuck, impact chucks, adapters, extensions and bit bit holders.* It comes in handy to operate an electronic device, ideal for electrician, mechanic and repair work. Specifications:* Material: S2-Steel Alloy Tool * Color: As Pictures Show * Length: 25mm/50mm/65mm (Double Head)/70mm/90mm/125mm/150mm (Approx.) * Center Diameter: 6mm (Approx.) * Hex Shank Size: 6.35mm (1/4 inch) * Screwdriver Type: PH2* Magnetic: Yes * Shank Type: Hex Shank * Quantity: 7pcs/set Package Contents:7pcs/set PH2 Screwdrivers (25mm/50mm/65mm/70mm/90mm/125mm/150mm 1pc each size)Note: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.