Amerimax GGGLK5 Hinged Gutter Guard, 3 ft L, 5 in W, Steel, Galvanized, Pack of 75Made of galvanized steel. Convex design prevents debris accumulation. Will not collapse under ice, snow or debris. No tools needed for installation. 3 ft sections fit any standard "K" style gutters. Hinges clip to the front of the gutter. Helps prevent leaves, twigs and other debris from falling into the gutters and clogging both the gutters and downspouts. Unit: EA UPC: 049821854058 Model Number: GGGLK5