c5rclick004small.jpg c4ractionsmall.jpg c5ropen004small.jpg Redline

5-Blade Crimper - Sheet Metal Downspout

4 of 5 stars


Use the Malco C4R Crimper to produce a crimp that downsizes corners of aluminum or steel downspout to create a male connection for joining downspout sections.  The five blades of this versatile job-site hand tool produce a 1-1/4 inch (31.75 mm) long double crimp without deforming the downspout wall.  This factory-like crimp ensures that the downspout wall stays square for a tight fitting, leak-proof connection.  The connection is also more self-supporting during installation.  A handle closing stop maintains a consistent crimp profile.  Hardened all-steel construction and a nickel chrome finish ensure long service life.

The Malco C4R Crimper also features ergonomic RedLine Handle technology. An Engineered handle opening compliments the natural power stroke of any user's hand and maximizes the powerful 7:1 mechanical advantage of compound-leverage head to handle linkage. Comfortable handle grip contours, a non-slip grip insert, spring handle actuation and a thumb-operated handle latch ensure a natural fit and feel for comfortable one hand operation anywhere on the job.

Made In USA


Catalog # Description Throat Depth in. (mm) Tool Length in. (mm) Net Weight oz. (g)
C4R Downspout Crimper 1-1/4 (31.8) 9 (229) 16 (454)


  • Quickly downsize ends downspout to create a male connection.
  • Creates a tight fitting factory-like crimp.
  • Compound leverage produces 7 to 1 mechanical advantage.
  • Ergonomic Redline Handles won't wear you down.




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