Features: Made of high quality carbon steel, high strength and rust-resistance, durable in use. Including different kinds of socket wrench bits, meet your different needs. All parts are neatly packed in a storage case, convenient to carry and use. Can be used for vehicle maintenance, spark plug replacement, remove screws and other operations. Ideal tool for the repairing and maintenance of household appliances. Specification: Material: Carbon steel Weight: 1850g/65.3oz Quantity: 53pcs Package List: 13 x 1/4 Short Socket (4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14mm) 7 x 1/4 Long Socket (6, 7, 8, 10, 12, 13, 14mm) 21 x 1/4 Socket Bit (PH1/PH2/PH3/PZ1/PZ2/PZ3/HW(3,4,5,6,7,8) / FD(4,5.5,7) / TX(10,15,20,25,30,40) 1 x 1/4 Soft Joint 2 x 1/4 Universal joint 1 x 1/4 Ratchet Wrench 3 x Socket Head Wrench 1 x Blow Box 1 x 1/4 Slide Rod 1 x 1/4 Connecting Rod 2" 1 x 1/4 Rotating Shank 1 x 1/4 Connecting Rod 4" 1、Made of high quality carbon steel, high strength and rust-resistance, durable in use. 2、Including different kinds of socket wrench bits, meet your different needs. 3、All parts are neatly packed in a storage case, convenient to carry and use. 4、Can be used for vehicle maintenance, spark plug replacement, remove screws and other operations. 5、Ideal tool for the repairing and maintenance of household appliances.