A robust pair of fully adjustable stud extractors for access in tight confined areas. 1/4"D extractor operates on studs from 1 - 6mm.3/8"D extractor operates on studs from 6 - 12mm. Impact quality. Spare jaws available, please see Laser Part Nos. 0888 (for 1/4"D stud extractor) & 2291 (for 3/8"D stud extractor).