A crew supervisor is on every job. We have installed gutter systems ranging from $150 to $50,000. There are many gutter companies out there, but when quality counts, you can count on Kelly Gutter Company. Self bracing at the points of greatest stress the power-curved shape is engineered to give the body of the hanger greater vigor. Reinforced ribs run the entire length of the hanger continuing around and over the front hook. The front hook of the Hangfast holds the gutter firmly and will not open under load.