Camco's Pontoon Boat Cover Support is an easy-to-use telescoping support system that keeps your pontoon boat cover from sagging and allowing water to pool. When rain doesn't pool and go stagnant in your boat cover, it helps extend the life of the material. The (3) Pontoon Boat Cover Supports are self-standing with support plates on the tops and bottoms. The bottom support plates have foam pads to protect the boat and prevent shifting. The Pontoon Boat Cover Supports adjust height easily from 30" to 50" in 2.5" increments and contains two 33' long straps with durable hooks. Each polyester strap assembly is 33'-34' long and fits most pontoon boats with up to a 33' deck length. It is easy to install and stores compactly when not in use. Helps prevent water from pooling in low places on boat cover and helps maintain the quality of your boat coverComes with (3) supports, (2) 33' straps with hooks and a bonus boat hookAll supports are self-standing with support plates on the tops and bottomsHeight adjusts 30" to 50" in 2.5" incrementsFits most pontoon boats with up to 33' deck length