Designed to fit over Trolling Motor Tray for easy posture with Minn Kota, Motorguide, Lowrance trolling motors. Graph Mount Dimensions 17" x 9.5" DOUBLE - 10" Riser for dual graphs up to 10" screen size. Place larger heavier graph on the bottom mount. Can fit up to 20" worth of screens. Can fit combo of 8" & 12" but not 10" & 12" FOR GRAPHS OVER 10" - visit our *New* HD Dual Graph Mount Here OPTIONAL ADD-ON ACCESSORIES: CUP HOLDER TOOL HOLDER GPS PUCK MOUNT PROTECT AND ORGANIZE YOUR EQUIPMENT: This provides a solid foundation for your graphs. It is also a great way to prevent clutter and damage to your equipment. The aluminum construction comes with a black powder coat finish making it extremely durable. UV-protected so it will not rust or fade easily. Relatively lightweight and will not add much weight to your fishing boat. MADE IN USA by TBNation Outdoors Pekin, IL