LESOLEIL Damaged Screw/Bolt/Stud Extractor Remover Set, 5 Pcs 5-piece screw extractor set Sizes: 1/8" - 1/4, 1/4" - 5/16", 5/16" - 7/16", 7/16" - 9/16", 9/16" - 3/4" Black oxide finish to ensure durability Removes broken screws or bolts without damaging hole threads Complete with plastic storage case