The Avalanche 500 is designed to make removing snow from most roofs easy. Features a quick snap-together assembly that comes complete with four lightweight fiberglass handle sections to form a 15 pole, allowing you to work from the ground. With the help of their wheels, the tools 17 x 12' plastic slide slips under snow to send an avalanche to the ground, clearing your roof faster than a rake. The Avalanche 500 model is designed to remove snow from most asphalt shingled roofs.