[Chrome vanadium steel] Our universal socket wrench is made of chrome steel with high hardness, reliability and durability, which can be used effectively and practically. [Complicated design]: Honeycomb design principle: the most sturdy and durable, the size of the bolt/nut can be selected according to space to save time. Exquisite: the surface of the socket wrench is finely polished, electrophoresis, pneumatic polishing, electrophoresis handle, beautiful, no rust [Wide range of applications]: The compact socket wrench allows you to quickly and easily complete work on connectors of different sizes. Our products are suitable for automotive industry, manufacturing, construction, etc., and are the ideal choice for your toolbox Wrench shape: single end wrench Material: 45# steel Features: Normal Surface treatment: polished chrome plating Weight: 582(g) Specifications: (Silver 2-piece set) Item No. 512 Universal sleeve, a sleeve imported from Taiwan 11-32 mm Color: gold / blue / green < li> Packing: card shell (202g) Weight: about 582g Specifications of rotating universal socket and post: 11-32 mm Quantity delivered: 2*pcs