Gutter Knockout Tool

5 blade gutter downspout crimper.

Gutter knockout tool.

Weather resistant finish gives tool strength and long term durability. All malco gutter outlet punches make clean accurate hole cuts in aluminum gutter. Tool frame offers an easy ratcheting mechanism for smooth cutting action. Ample throat clearance makes it easy to quickly line up cuts.

Optional blade die allow you to cut perfect 2x3 2x3l 3x4 and 2x3 x cut. Specifically designed as a narrow seam sealant for gutter lap joints. Tool frame offers an easy ratcheting mechanism for smooth cutting action. Crimps made by the tool help create a connection that is more self supporting during gutter installation.

Produces an effective double crimp that downsizes corners of aluminum or steel downspout. Low modulus and high elongation accommodate severe movement. Requires an outlet punch die assembly. Weather resistant finish gives tool strength and long term durability.

Excellent adhesion to metal gutters including copper and kynar. Optional blade die allow you to cut perfect 2x3 2x3l 3x4 and 2x3 x cut. How to cut and install a gutter outlet. Browse our selection of malco outlet punches and look forward to clean accurate hole cuts in aluminum gutters 032 max.