3-BLADE GUTTER CRIMPS - Easily and efficiently crimp metal with one hand for shrinking duct work or downspout and gutter connections COMPOUND LEVERAGE - To prevent bending or breaking during use, the compound leverage handles operate for efficiency DOWN-SPOUT - These blade crimpers are designed for down-spout forming and installation COMFORTABLE GRIPS - Kush'N-Power grips conforms with the motion of the user's hands and the indented ribs prevent hand and finger slippage 100% USA MADE - This Midwest product is American made using premium grade steel and the highest quality components. The result is a reliable long lasting tool you can count on.