See Board Riser Panels

Height panels are purchased individually and are available in 2 sizes to match the Anti-fatigueHelm Cushions dimensions. Stack as many as necessary to achieve the desired height foroptimal field of vision and ergonomics. Vertical adjustment is achieved by simply insertingSeeboards "height panels" between the deck and Helm Cushion fatigue mat.Change height panels quickly and easily according to sea conditions and high traffic areas.Great for boats that tend to ride high on plane. Height Adjustment Panels are stackable 1.5"(38mm) thick white closed cell polyethylene foam that snap in between the deck and fatiguemat. using Seeboards patent pending male/female fittings. Use as many as necessary toachieve the best field of vision and position at the helm for improved visibility and reach tooverhead electronics and accessories.