Brand: Kluhsman Racing Components Manufacturer's Part Number: KRC-8241 Part Type: Sockets and Drive Bits Product Line: KRC Racing Pit Gun Sockets Summit Racing Part Number: KRC-8241 UPC: 811854007127 Socket/Bit Style: Standard Impact Rated: Yes Number of Pieces Included: 1 Socket/Bit Piece Count: 1 Ratchet Included: No Extensions Included: No Swivel Extension Included: No Socket Material: Steel Socket Finish: Black oxide Case Included: No Quantity: Sold individually. Socket Drive (application): 1/2 in. Short Well Socket Size: 1 in. Short Well Socket Type: 6-point KRC Racing Pit Gun Sockets KRC Racing pit gun sockets are used by many of the NASCAR front and rear tire changers in NASCAR Nationwide， Sprint Cup， and the Craftsman Truck Series. These sockets are balanced and run out less than .003! They're heat treated and have a spring included for rapid ejection of the NASCAR lug nut. Great to use during the race or pit practice using a 1 in. hex lug nut.