£48.48 inc VAT This Teng 1/2 inch drive Stud Extractor is used for inserting and extracting stud bolts. The extractor has a range from 5.5 to 19mm and features one eccentric journaled, knurled wheel which grips against an internal fluting. Specifications: Drive: ½ in.Range: 5.5 to 19mm. Add to Basket Quantity