Klein Tools 65510 12-Piece 1/2-Inch Drive Socket Wrench SetKlein Tools 65510 12-Piece 1/2-Inch Drive Socket Wrench Set Features:; Nine 12-point sockets: 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", and 15/16"; Extension: 5" long; Spark plug socket: 5/8"; Ratchet; Hinged metal box.Klein Tools 65510 12-Piece 1/2-Inch Drive Socket Wrench Set Specifications:; Description: complete 12-piece 1/2" drive set plus metal box; Weight (lbs.): 5.37