网页AMERICAN MUTT TOOLS 5-Blade Sheet Metal Crimper – Crimp 24 Gauge Steel and 28 Gauge Stainless Steel – Gutter Crimping Tool, Downspout Crimper, HVAC Duct Crimper, Duct Crimping Tool, Metal Pipe Crimper. 4.4 (135) $2599. FREE delivery Mon, Jan 9. Or fastest delivery Fri, Jan 6. Small Business.