VersaChock dinghy dolly system works great for moving dinghies around,as well as launching and loading from the water! Bolt on ready for all Zodiac Nomad inflatable boats. Can be installed on most other model inflatable boats and dinghies with some drilling required (hardware included for both installation types). Large 7.5" poly wheels make it easy to roll on most surfaces. Dolly arms are retractable and can be rotated up when not being used. Dimensions (apx.) - 17" T x 6.3" W x 7.5" D.