3/8"" Shallow and Deep Impact Socket Set Contains: 44 x 3/8"" Drive sockets - Sae (Deep and shallow): 5/16"", 3/8"", 7/16"", 1/2"", 9/16"", 5/8"", 11/16"", 3/4"", metric (Deep and shallow): 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22 mm. 3/8"" Socket Set Accessory: 2x Sae Spark Plug Socket: 13/16, 5/8"" 1 x 3/8"" By 6-inch length quick-release ratchet handle 72-tooth 1x 6 inch Extension Bar 1x 1/2"" to 3/8"" Socket Adapter 1x Universal Joint 1x drill bit adapter 1x 3/8 Square Drive to 1/4 Hex Bit Socket Adapter 20x Bits for Power Tools. Premium Cr-v Steel Material: The 3/8 impact socket set is constructed with hard-wearing Cr-v material, with black phosphate coating technology, making the socket set metric and standard full have high hardness, durability, and rust resistance, and can withstand the maximum standard 1.5 times the torque generated by the impact tool. Convenient Socket and Storage Box: The 3/8 drive socket has permanent high-visibility stamping and markings, making it easy to identify when in use and difficult to damage. The convenient storage box has size markings for long-term identification. 6-Point Design and Retaining Hole: The hex design ensures a fit between the socket and the bolt, minimizing wear and extending the life of the bolt. The stop hole secures the socket connection and prevents it from slipping during use. Weight: 11.97 pounds.