YakAttack FullBack™ Backing Plate, the ultimate reinforcement for your GT90, GTTL90, and GTSL90 GearTrac systems. Expertly crafted from 1/4" thick anodized aluminum, this durable plate ensures a robust installation with its precisely tapped holes designed for a seamless fit. Measuring 4" in length, it's perfectly sized for a secure setup, requiring just a 1/2" x 4" flat area inside the hull for installation. Each pack contains a single backing plate, proudly made in the USA, embodying quality and reliability for your aquatic adventures. Enhance your gear's stability with the FullBack™ Backing Plate — where strength meets precision.