Neiko 25-Piece Screw Extractor Set, Multi-spline Extractor Set Easy Out Bolt Extractors CR-MO Bolt Remover for Removing Broken Studs Bolts Socket Screws. Screw extractor size: -1/8" (3.5m), -17/32" (14mm), -5/32" (4mm), -9/16" (14.5mm), -3/16" (5mm), -19/32" (15.5mm), -7/32" (5.5mm), -5/8" (16mm), -1/4" (6.5mm), -21/32" (15.5mm), -7/32" (5.5mm), -5/8" (16mm), -1/4" (6.5mm), -21/32" (17mm) -9/32" (7.5mm) -11/16" (18mm) -5/16" (8mm) -23/32" (18.5mm) -11/32" (9mm) -3/4" (19.5mm) -3/8" (10mm) -25/32" (18.5mm) -13/32" (11mm) -13/16" (21mm) -7/16" (11.5mm) -27/32" (22mm) -15/32" (12mm) -7/8" (23mm) -1/2" (13mm).