3/8" Max Throat Depth for Fast Indents: This snap lock punch delivers clean, repeatable impressions in metal—perfect for HVAC, ductwork, and precision gutter tools applications. Pro-Grade Control on the Roof or Ground: Made of hardened steel with ergonomic handles and a lanyard tether hole, this end cap crimper for gutters works securely—even when you're on a ladder. Compact & Damage-Free Storage: A built-in safety lock protects your gutter end cap crimper and keeps your tool pouch tidy—essential for pros who rely on efficient gutter tools. Power Meets Precision: The compound leverage system gives this tool the ability to make tight, controlled crimps with minimal hand strain—perfect for fast installs. Jobsite-Proven Durability: Engineered as a snap lock punch, this rugged tool is backed by a Limited Lifetime Manufacturer Warranty and trusted for long-lasting reliability. The Mutt tools snap lock punch is the perfect gutter cap tool for any toolbox! Count on American Mutt Tools for gutter tools installation snap lock tools. Easily install gutter end caps with this gutter end cap crimper tool. Great sheet metal tools for hvac technicians and a great gutter crimping tool for gutter installation. Duct workers rely on sheet metal tools to perform their everyday tasks. This guttering end cap punch tool is used to connect gutter end caps. A great snap lock punch to use alongside a range of other gutter tools such as a gutter punch tool 2x3. This downspout punch tool helps gutter installation workers install gutters and use their gutter outlet punch. Our gutters tools and gutter crimping tool end cap are made in China.