High quality ALEKO V TRACKS made from galvanized steel Comes in 6 ft sections, 3 sections included in the box, total 18 ft of tracks Will work with all types of "V" groove wheels 2 1/4" wide and made from gauge 12 galvanized steel 36 pcs mounting bolts are included with the tracks 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. Each section of V TRACKs is 6 ft long x 2 1/4" wide and made from 12 ga galvanized steel with a 90 degree angle. It is made with a rounded top for easy vehicle passing, eliminates noise and reduces friction on the tires of passing vehicles. Anchor bolts are included!