Professional maintenance tools: this universal socket can be automatically adjusted to any size or shape. It is suitable for standard nut and screw heads from 1/4 to 3/4 inch and metric 7-19 mm to meet all your requirements. Universal accessories: comes with a 3/8 inch drill adapter that can be easily connected to most electric drills, electric screwdrivers and manual ratchet wrenches. Adapter accessories: 105 angle extension drill can be extended to 105 angle, perfect practical tool, suitable for hard-to-reach areas, 360 parallel position, head position with locking and magnetic device to ensure that the sleeve does not work. Durable structure: the kit is made of chrome vanadium steel, the sleeve contains 54 steel spring bolts, the hardness can reach 58 HRC, compact and durable. Widely used: very suitable for the automotive industry, maintenance, manufacturing, construction. Suitable for all types of nut bolts (ring bolts, square nuts, swivel hooks, hex nuts, butterfly nuts, damaged nuts, etc.). Features: Multifunctional universal case adapter. Universal sockets can use any size from standard 1/4 inch to 3/4 inch and metric 7 mm to 19 mm. Objects that are moved to most objects can have different shapes of nuts, bolts, hooks and square screws. It can be used in automotive, home maintenance, manufacturing, construction and other industries. 3/8 inch drill machine adapter. The included drill adapter can transform any drill or screwdriver into a socket drive. Equipped with an electric drill adapter, you can easily connect most electric drills, electric screwdrivers and manual ratchet wrenches. 105 angle drill bit The expansion angle is 105 degrees and accepts all 1/4 inch standard hex drills. It can reach hard-to-reach or tight spaces. The function head is equipped with a lock and a magnetic device to ensure that the sleeve does not fall off. Built-in strong magnet, strong holding force. Specifications: Material: chrome vanadium steel. Application: screws with 7 - 19 mm diameter. Angle drill: 105 , universal hex shank with 6.35 mm (1/4 inch). Note: Do not use sockets with compressed air and hammer tools. Do not use a socket wrench to drive screws, round fasteners or spark plugs. Not waterproof, please keep away from water to extend the service life. If you need help, please send us a contact email. We will reply within 24 hours.