Ideal for hard-to-reach cornersUniversal common socket is used to remove fasteners at awkward angles and positions |Strong Torque |Heat Treatment |Advanced Technology |Full Specifications |Surface phosphating and not easy to rust |High quality chromium-chromium molybdenum steelThey were helpful in removing the tie rod, replacing the hub ball bearing. They held on to abuse from hitting m1/2" without breaking. When I need them, they are essential. The key to proper use is to apply pressure to them by pressing down on the torque wrenchwhich takes up any sop and applies the most force. I do everything I need to do in less than ideal spaces.-TrollopeDescriptionExtra DurabilityPrecision-machined, heat-treated molybdenum black chrome steel provides superior durability and strength with every impact movement.Protective CoatingMade of cr-mo steel to withstand harsh operations, while the black phosphate finish, which resists dirt and grime, maintains the integrity of tools from corrosion and rust, which maximizes tool life.Smooth SwivelingThe full 360-degree movement allows the U-shaped swivel joints to access full rotation to achieve tight spaces for better coverage. They provide the force and torque to break loose stubborn fasteners while providing the right angles for each step.Secure Hold DesignThe spring-loaded ball at the end of the rod locks the slot in place for safety and prevents dropping or slipping for an uninterrupted workflow.Ideal for ProfessionalsUses them with any cordless drill or high-torque impact gun without skipping a beat! Perfect for car repair, DIY, home maintenance, and even DIY projects. This kit is the perfect addition to any professional tool kit and any home that likes to fix things. Details360-degree Range of Motion-Reach any difficult spot with the 360-degree rotation mechanism. Spring-loaded Ball Clip System-Securely and securely fit the impact sockets to your power tool. Rust-Resistant--The innovative manganese phosphate coating will prevent rust and corrosion. Tool Application?1/4 interface: suitable for 1/4 small flying key.? 3/8 interface: suitable for lithium battery electric keys, 3/8 interface keys, etc.? 1/2 interface: suitable for electric wrenches, small jackhammers, 1/2 interface wrenches, etc. SpecificationMaterial: Chrome-MolybdenumSteel Color: BlackConnection Size:-1/4 Interface: 6.3mm/0.25 inch-3/8 Interface: 10mm/0.39 inch-1/2 Interface: 12.5mm/0.49inchWeight: 35g/79g/164gLength: 40mm/50mm/70mmPackage Included:-1/4 Interface x 1-3/8 Interface x 1-1/2 Interface x 1Warm TipsDue to manual measurement, the actual size of the product may be slightly different from the size marked on the pictures.We provide clear pictures, Please refer to our product images and sizes to make sure this is the product you need.