Click to expand Tap to zoom Teng Tools, Stud Insert / Extractor Tool for Univ. by Teng tools Save £-44.53 £44.53 | / SKU MCS514208 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart DescriptionTeng Tools, stud insert / extractor toolDetails1/2" drive. Will extract but also insert studs. With two holes, optimizing fit for minimal thread scoring. Suitable for 6mm to 19mm studs.Univ.