[High Quality] Made of heat-treated chrome vanadium steel (CR-V) with magnetism, very high hardness, anti-rust and breakage, durable and long service life [Easy to Use] Powerful magnetic wrench that operates with one hand, easy to install and prevents falling off. Laser marked size, easy for beginners to choose 1/4" Hex Shank - Quick Change & Release - Suitable for corded or cordless electric drills, pneumatic screwdriver, electric screwdriver, manual screwdriver [Wide Application] Excellent for woodworking, carpentry, auto parts and machine repair, etc., nice gift for a DIY enthusiast Description: Magnetic socket adapter to hex socket. Used in pneumatic screwdrivers, electric screwdrivers, air drills, drills, pistol grips, screwdrivers and other hands-on Mounting hex tools to support Widely used in DIY, carpentry, auto parts, machine repair, etc. Magnetic material, easy to handle, not easy to fall off. Features: Sizes: 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm Material: Chrome Vanadium Steel (Magnetic). Contents: Set of 10 magnetic hex sockets.