Check the listing for details. H&S Autoshot Uni-1080 Multiple Stud Pin Puller - Uni-Clamp Welding Repair Tool. Condition: New. Listed at 127.98 USD. Listing Template 2018 Home About Us Shipping Returns View Feedback Contact Us H&S Autoshot Uni-1080 Multiple Stud Pin Puller - Uni-Clamp Welding Repair Tool Designed to Progressively Pull Heavy Hits on Structural Repairs The Uni-Clamp has been designed to progressively pull heavy hits on structural repairs as well as lighter repairs such as creases on body panels. Pull creases on heavier panels as well as sheet metal parts on all automobiles and light trucks. Can be used with a pulling tower or any other source of applied power. A series of up to 11 studs are welded closely together on a panel. The Uni-Clamp is then tightened onto all of the studs and the pull is made. As the dent is removed, one section will always come out first. The screws securing the studs on that repaired area are loosened eliminating any more pulling on the area. By tightening and loosening the screws, the pull can be controlled to only pull on the low spots of the dent. The end result is a flat, even repair. Weld 11 studs where required using the