Stud Extractor Set. 6mm (1/4") stud extractor (3/8" drive and total length 30mm). 8MM stud extractor (3/8" drive and total length 30mm). 12MM (1/2") stud extractor (1/2" drive and total length 37mm). 10MM (3/8") stud extractor (1/2" drive and total length 37mm).
