GEARWRENCH 4 PC. Bolt Biter Screw Extraction Set 84787, Chrome, Large

Amazon

Tapered side and tip cutting edges for powerful and consistent extraction High strength steel provides up to 50 times longer life Bi-directional design loosens or tightens damaged fasteners Hex base design is compatible with hand and power tools High-visibility laser markings for easy size identification

Radwell UK

BOLT EXTRACTOR SETS; COMPATIBLE SCREW SIZE: 1/4 (M5 - M6); 5/16 IN TO 3/8 IN (M8 - M10); 7/16 IN TO 1/2 IN (M12 - M14); 9/16 IN TO 5/8 IN (M14 - M16) ; CONTAINER TYPE: BLOW MOLDED BOX ; FOR USE WITH: STRIPPED SCREWS & ROUNDED BOLTS, (MOQ=1, PKG QTY=1)