Innovative lug pattern provides smooth interlocking grip for your track. Strategic lug placement engages 2.5”, 2.86“ and 3.0” pitch tracks. Great for all tracks, including paddle tracks and studded tracks. 16” width accommodates all track widths without overhang. Great low-profile design makes for safe walking. High-impact plastic (TPO), guaranteed not to crack, chip, break or wear out. Includes Torx-head stainless steel screws and driver; installs with ease, will not rust. Flexible, strong and unbreakable. Made in the U.S.A..