Secure your drink with this drink holder boat accessory.The pivoting single drink holder is a handy way to keep your beverage in place when the going gets bumpy. Made primarily to fit angled tubes on your boat. Designed for canned drinks with insulated sleeves. Made with a "U" clamp, it comes with screws for permanent mounting if desired. Fits 1" rails. 4 1/2"L x 4 1/2"W x 6 1/2"H.