3 x 4 Inch Rectangular Gutter Punch Kit, High Carbon Steel Hole Cutter for Aluminum Gutters, Replaceable Blade Punch and Die Set, Professional Gutter Installation Tool

Rectangular Punch Set: rectangular punch and die replacement set for compatible gutter punch tool frames (frame not included); Creates a standard 3 x 4 in outlet opening for 5" or 6" K-style aluminum gutters up to 0.032 in (0.81 mm) thick | High Carbon Steel Blade: equipped with a replaceable high carbon steel blade and heat-treated metal components for strong cutting performance and long-lasting durability; Maintains sharpness even with frequent gutter installation work | Corrosion Resistant Construction: finished with a weather-resistant protective coating that helps prevent rust and corrosion caused by rain, humidity, and outdoor jobsite conditions | Quick Punch Replacement: designed to work with compatible gutter punch tool frames, allowing fast punch and die replacement; One frame can support multiple outlet sizes for different downspout installations | Easy Installation: when the blade becomes worn or a different outlet size is needed, simply remove the old punch set and install this replacement part-no need to replace the entire tool