Features SPECIFICATIONS: Deep socket assortment set, internal concave hex drive, with 16 different specifications to meet different usage needs. HEX SHANK: These sockets have universal hex shank, the slot design ensures stable clamping, and the deep sockets for easy nut insertion. APPLICABLE TOOLS: These hex drive sockets can be used for electric drill, bench drill, air driver, electric wrench, etc., easy to install and disassemble. EXCELLENT METAL: Made of chrome vanadium steel, with high hardness and wear resistance, heat processing finish, waterproof and rustproof. WIDE APPLICATION: This socket assortment set is suitable for automotive maintenance, home repair, manufacturing industry, construction projects, etc. Specification: Item Type: Socket Set Material: Chromium Vanadium Steel Specification: 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm Package List:16 x Sockets 1 x Storage Box Package List 16 x Sockets 1 x Storage Box