Features Specification Features: One set contains multiple pieces different sockets, which can meet different demands, enough for use. High strength CR-V sockets can withstand more torque from impact tools. Black oxide finish offers maximum protection from rust and corrosion, ensure long service time. Concave 6-point hex socket grips the fasteners stably, prevents falling off under high torque and hammering stress when used with impact wrenches against fasteners. Each 1/2 inch deep impact socket is engraved with size mark, which allows quick identification of drive socket specs and measurements. A solid plastic storage box stores all the impact sockets, neat and organized, which is convenient for storing and transporting. Specification: Color: Black Material: CR-V Socket Length: 78mm Square Socket Size: 1/2in (12.5mm) Hex Socket Size (Metric): 8mm, 10mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm Note: Impact sockets only, others in pictures are not included. Due to manual measurement, there may be deviation. Due to lights or others, it may slightly differ from pictures. Packing List: 15 * Impact Socket 1 * Storage Box Package List 15 * Impact Socket 1 * Storage Box