Full Throttle Power Platform Kneeboard - The Full Throttle Power Platform Kneeboard is durable and long-lasting for many fun hours on the water. The easy riding design is great for all levels of water enthusiasts. The Power Platform has includes the Easy Start system hook. Kneeboard length: 134.6cm/53in; Width: 55.9cm/22in. Provides a comfortable and stable ride for beginning to intermediate riders Rib design for strength and durability Continuous rocker Molded in fins for maximum control Easy Start aquatic hook allows for quick deep water starts and easier strap adjustment 3in padded, adjustable strap Durable plastic base Length: 135cm / 53.1in Width: 55cm / 21.6in