The Smacker Whacker Seam Buster Kit the most commonly needed tools to separate metal panels. Simple to use, simply insert either of the seam breakers between he metal body panels, take a hammer, smack-whack the seam is apart. It’s just that simple. Afterwards use the convenient metal scraper to clean old seams of adhesive, paints and more. Includes: 90 degree Seam Knife, Straight Seam Knife and Dual-end Scraper.