12pc HSS Easy Out Rigid Screw Extractor Set Broken Bolt Stud Fastener Remover Removes Broken Screws, Bolts and Fasteners with Ease Multi-Fluted Extractors High Speed Steel Drill Bit Sizes Include: 5/64", 1/8", 5/32", 1/4", 9/32", and 3/8" High Carbon Steel Screw Extractors: #1 for 1/8"-1/4" #2 for 1/4"-5/16" #3 for 5/16"-7/16" #4 for 7/16"-9/16" #5 for 9/16"-3/4" #6 for 3/4"-1" Includes: 6 Sizes of HSS Twist Drill Bits: 5/64", 1/8", 5/32", 1/4", 9/32", and 3/8" 6 Sizes of High Carbon Steel Screw Extractor Bits: #1, #2, #3, #4, #5 and #6 1 Plastic Case