Performance Tool W38916 W38918 3/8" Dr. 9 Piece Bolt Extractor Set SAE Sizes: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 3/4, 11/16, 5/8 in. Patented gripping edges remove old, stripped, rusted or painted nuts and bolts Chrome molybdenum steel for strength and durability Storage/carrying case