Brand: Performance Tool Manufacturer's Part Number: W38905 Part Type: Sockets and Drive Bits Product Line: Performance Tool 51-Piece 3/8 in. Drive Mechanics Tool Sets Summit Racing Part Number: WMR-W38905 UPC: 039564389054 Socket/Bit Style: Standard/Metric Impact Rated: No Number of Pieces Included: 51 Socket/Bit Piece Count: 45 Ratchet Included: Yes Extensions Included: Yes Swivel Extension Included: No Socket Material: Vanadium steel Socket Finish: Chrome Case Included: Yes Case Material: Plastic Case Color: Black Quantity: Sold as a set. Socket Drive (Application): 3/8 in. Additional Information Deep Well Socket Size Deep Well Socket Type Short Well Socket Size Short Well Socket Type Spark Plug Socket Size 5/16 in. 12-point - - - 3/8 in. 12-point - - - 7/16 in. 12-point - - - 1/2 in. 12-point - - - 9/16 in. 12-point - - - 5/8 in. 12-point - - - 3/4 in. 12-point