Platinum Health Horizontal 8" Extended RailsHorizontal Rail Extensions may be purchased to extend the width (reach) of a bath bench into a shower or bathtub. Features These rails are compatible with the Carousel Sliding Transfer Bench and the Gateway Sliding Transfer Bench. The extensions come in two sizes 4 inches and 8 inches. The rails come in pairs. The price reflected is for the pair. If you purchase the 4 inch variant, you will receive 28 inch rails. These rails will be swapped out with