Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Premium Quality: Made from high-grade S2 alloy steel material and CNC precision manufacturing long-lasting use, making them a reliable choice for any DIY project or professional work. Versatile Design: These screwdriver Drill Bits are 1/4 inch hex quick release, making them compatible with all standard drills. Widely Application:These magnetic screwdriver bits are compatiable with impact driver,electric screwdrivers, hand screwdrivers,1/4inch driver screwdrivers, corded drills,cordless drills,electric screwdrivers, hand screwdrivers, electric drills, air drills,. Usually used for mechanical equipment, automobiles, motorcycles, bicycles, furniture, electronic equipment,etc. Portable Design: They are stored on the storage case and can be placed directly in your toolbox in an orderly and non-cluttered manner, which is convenient to carry and store. Looking around for bits will no longer happen. Magnetic: Screwdriver Impact Bits can magnetically pick up 2 to 3 screws. With magnetic, good adsorption, hold the drill bit and fasteners tightly, there is no trouble of dropping tools during the work. Colour:black+green Material:alloy steel Package Contents: 2 x Screwdriver Bit 25mm 2 x Screwdriver Bit 50mm 2 x Screwdriver Bit 65mm 2 x Screwdriver Bit 70mm 2 x Screwdriver Bit 90mm 2 x Screwdriver Bit 150mm Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.