ALEKO 18 Ft V Tracks, Galvanized Steel Gate V-Shape Inverted Tracks For Sliding, Rolling Driveway Gate. This high quality ALEKO V TRACKs are made of galvanized steel with no welds to crack or break which helps fight against rust. Made from 12 ga galvanized steel with a 90° angle. It is made with a rounded top for easy vehicle passing, eliminates noise and reduces friction on the tires of passing vehicles.