Brand: K-Tool International Manufacturer's Part Number: KTI27401 Part Type: Sockets and Drive Bits Product Line: K Tool 15-Piece Metric 12-Point Socket Sets Summit Racing Part Number: KTI-27401 UPC: 769622274014 Socket/Bit Style: Metric Impact Rated: No Number of Pieces Included: 15 Socket/Bit Piece Count: 15 Ratchet Included: No Extensions Included: No Swivel Extension Included: No Socket Material: Vanadium steel Socket Finish: Chrome Case Included: No Quantity: Sold as a set. Notes: Socket rail included. Socket Drive (application): 3/8 in. Deep Well Socket Type: 12-point Additional Information Deep Well Socket Size 7mm 8mm 9mm 10mm 11mm 12mm 13mm 14mm 15mm 16mm 17mm 18mm 19mm 20mm 21mm K Tool 15-Piece Metric 12-Point Socket Sets These K Tool International 15-piece metric 12-point socket sets include sockets from 7mm to 21mm. They are manufactured from vanadium steel， chrome plated， and then heat-treated for maximum durability. K Tool International 15-piece metric 12-point socket sets are available in either shallow or deep well configurations and include a metal rail to store them all in order.