The YakAttack SpectraLite GearTrac is constructed of a high-end polymer that is super strong. This GearTrac is designed for light to medium-duty applications. Mount the SpectraLite GearTrac to your kayak to easily add and remove all your favorite mounts and accessories (sold separately). Super high-end polymer is designed for harsh marine environments Compatible with 1/2 in. wide track hardware Hole spacing 1 3/4 in. Hardware included The YakAttack SpectraLite GearTrac is made in the U.S.A.