10.5 inch sheet metal crimper built from precision forged alloy steel for crimping heavy or thin metal sheet in the 22-28 gauge range. Suitable for galvanized or stainless steel used in ductwork, downspouts, or stove pipes. Five-blade design for strong, precise connections. The tool works on ductwork sheet metal, downspouts, guttering, metal pipe, gutter round duct, and stove pipe. Deep throat accommodates variations in crimp depth, allowing precise crimps across different installations. Ergonomic and safe to use. TPR material handle with a non-slip ergonomic grip for comfortable control. Integrated lanyard hole provides safety when working at height or in tight spaces. A safety lock keeps the crimper compact for easy storage, and the five blade crimping heads are designed to resist damage. Key specifications and compatibility - Length: 10.5 inches - Material: precision forged alloy steel - Gauge: suitable for 22-28 gauge galvanized or stainless steel - Applications: ductwork sheet metal, downspout, guttering, metal pipe, gutter round duct, stove pipe Use scenarios - HVAC duct installation and repair: crimp ducts made from galvanized or stainless steel 22-28 gauge to create secure, airtight joints. - Exterior drainage and vent work: crimp gutters and downspouts for reliable connections in rainwater systems. - On-site stove pipe or metal vent installation: perform accurate crimps in field settings with a compact, controlled tool. This HVAC duct crimper combines durable construction with practical features to support precise, safe, and versatile sheet metal crimping across common ducting and piping tasks.