Features: One set includes multiple pieces various sockets, which can meet different demands, enough for use High power excessive carbon metallic sockets can face up to more torque from affect tools Black oxide end affords most defense from rust and corrosion, make certain long service time Concave 6-point hex socket grips the fasteners stably, prevents falling off below excessive torque and hammering pressure when used with impression wrenches opposed to fasteners Each half of inch deep affect socket is engraved with size mark, which permits brief id of power socket specs and measurements A solid plastic garage field stores all of the impression sockets, neat and organized, which is convenient for storing and transporting Specifications: Type: Type A / Type B / Type C / Type D / Type E (Optional) Color: Black Material: Steel Connector: 1/2"(12) Socket Length: 40mm Hex Socket Size: 8mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 21mm, 22mm, 24mm Package Weight: 1100g / 2 Package Size: 29 * 10 * 4 / eleven * 3 * 1 Package List: nine * Impact Socket 1 * L-Wrench 1 * Storage Box 1 * User Manual (English)