a-m gutter guard a-m aluminum gutter guard 6 inch (50', mill finish) a-m gutter guard this patented product was designed by professional gutter installers. it is easy to install by homeowners and professionals, does not install under the shingles and eliminates clogged and overflowing gutters. installation requires 1/2" #8 zip screws not included. installation instructions included in box. this product measures 47" in length and 6" wide. installation video on youtube - search for a-m gutter guard