Amerimax 2 in. H X 2 in. W X 4 in. L Clear Polycarbonate Snow Guard (Pack of 50).Snow guards are intended to prevent snow movement, and breakdown of the snow mass into smaller sections, reducing the potential for snow and ice damage to gutters, foundation, plantings, parked vehicles, adjacent roofs and equipment, and injury to pedestrians. Polycarbonate ice and snow guard. Helps prevent roof snow slides. Protects people and property. UPC: 049821850401 Manufacturer Part No: 85040 Brand Name: Amerimax Height: 2 in. Width: 2 in.