Stud / Bolt / Screw Extractor Remover Set for Rusted, Rounded, Seized Bolt

These stud / screw extractors will remove any stud / screw pipes and bolts. Covers bolts from 3mm to 19mm. 5pc Set with Black Oxide finish for durability. Can be used with a spanner / socket or even tap holder on the end of each spiral extractor. Manufactured from hardened and heat treated steel for strength and durability. Will easily bite into standard bolts and screws. Supplied in a blow molded case for easy storage and transportation. Suitable for removing studs, bolts, screws etc... Includes: No. 1 for studs sizes 3 6mm (1/81/4"). No. 2 for studs sizes 6 8mm (1/45/16"). No. 3 for studs sizes 8 11mm (5/167/16"). No. 4 for studs sizes 11 14mm (7/169/16"). No. 5 for studs sizes 14 18mm (9/163/4").