Stud Setter and Extractor by Bikeservice Save Liquid error (product-badge line 32): Computation results in '-Infinity'% $39.00 SKU APO-BS4328 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Description Eccentric rotation provides powerful grip for stubborn or rusted threads, or for setting new ones. For 6–19mm studs.