Pittsburgh Professional 9 Piece 3/8" Drive Metric Bolt Extractor Sockets Extractor Imported High visibility markings for easier, faster socket selection Rugged chromium-molybdenum steel ANSI certified Sizes: 8mm, 10mm, 11mm, 12mm, 13mm, 14mm, 16mm, 17mm and 19mm Drive size (in.): 3/8 in.