With YakGears Accessory Mounting Track you can create mounts for all of your favorite marine and fishing accessories without having to drill too many holes in your kayak. The 8 track allows for up to two accessory bases and the 12.5 track allows for up to 3 accessory bases. Tracks are made of a PVC and polycarbonate blend thats both strong and lightweight. Designed with two small gutters on the underside. This allows for epoxy mounting with self-tapping screws. The back of the track is slightly concave, which allows for a solid mount to flat and slightly concave surfaces. Accessories easily mount to the track using YakGears Track Nut and Screw Kit (not included). Sizes: 8 Track, 12.5 Track. Type: Mounting Track.