Extreme Max 3004.3156 Slider Trax Multi-Fit Slider Base – Straight, Pack of 4 Black

Fits Boats with OEM Rails – The multi-fit design fits most boats pre-equipped with gunnel extrusions like Lund and G3; works great with Lund Sport Trak
Construction – Bases are made of heavy-duty composite for maximum durability and damage-free life
Versatility – Each base offers a 3″ x 4″ surface to mount your accessory base
OEM Approved – Available pre-installed on certain model boats from recognized OEM leaders
Options – Slider Trax bases and rails are sold separately to maximize ordering options