Features:* Adopts high-quality chrome plated molybdenum steel, more solid and durable.* Can effectively reduce the wear of the nut tip, safe to use.* Strong corrosion resistance, not easy to rust.* 360° universal rotation, can be used flexibly in multiple directions.* International overall size, can work with pneumatic screwdriver, electric wrench, ratchet wrench and manual wrench.* Widely used in mining, metallurgy, shipbuilding, automobile repair and other industries. Specifications:Product Name: Universal Common SocketMaterial: SteelColor: Black (As Pictures Show)Size: (Approx.) 1/2: 70*12.5mm, 3/8: 50*10mmSuitable for: Lock Nut, Rotation DirectionQuantity: 2pcsPackage Contents:1 × 1/2 Universal Connector1 × 3/8 Universal ConnectorNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.