Description9PC JUMBO SPIRAL FLUTE EXTRACTOR SQUARE SHANK Remove Broken Screws Easily Heat Treated & Spiral Fluted Screw Extractors Included # 1 to #9 Jumbo Screw Extractor Drill Size : 5/64, 7/64, 5/32, 1/4, 17/64, 13/32, 17/32, 13/16, 1-1/16"