GEARWRENCH 84786 Screw Extractor Sets

Bolt Extractor Sets; Compatible Screw Size: 1/4 (M5 - M6); 5/16" - 3/8" (M8 - M10); 7/16" - 1/2" (M12 - M14); 9/16" - 5/8" (M14 - M16); 3/4" (M18 - M20) ; Container Type: Blow Molded Box ; For Use With: Stripped Screws & Rounded Bolts