Usage Tips:Universal socket:The universal Socket is suitable for standard 1/4 to 3/4 inch and metric 7mm to 19mm screws, nuts and bolts with 3/8" Electric Drill Adapter and Ratchet Wrench professional repair tool (Universal socket * Drill adapter * Ratchet wrench 3pcs);^Flexible:The socket wrench can be used to remove and install the special-shaped screw fasteners with only one tool.(except for round nuts) . The flexible socket can grasp a hex nut, screw eye, hook, tension screw, and bolt head. It also works on a power drill. Used in car maintenance/home improvement/industry/vehicle maintenance etc;^Durable:The Professional Universal Socket is produced from durable chrome vanadium steel material. It features 54 strong steel rods that are individually spring actuated so the socket can automatically and quickly conform to any shape. There is no gap between the steel needles, which ensures that it can fully fit the parts;^Exquisite gifts:This universal socket tool can be used as a gift for friends or family. Universal Socket can meet all your needs and can improve work efficiency. A helpful and practical gift that will impress any DIY enthusiast;^