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. Snow guards are designed to prevent mass quantities of snow and ice from avalanching off the roof. Helps to protect pedestrians and landscaping from snow sliding off the roof. Protects gutters and roof edging. Attach under shingle. Stainless steel.