Avalanche AVA500 Original 500 Roof Snow Removal System w/16' Fiberglass HandleAvalanche! Original 500 makes clearing your roof a snap. Designed for your roof, Avalanche! "cuts" the snow off your roof. The integrated roll up slide quickly dispatches snow even no low pitch roofs. With 1. 5" wheels for most asphalt shingle roofs. Wheels protect your roof and allow for easier movement, reducing back strain. The Avalanche! makes much easier work of removing snow from most roofs. Removes up to a ton of snow per minute. Patented