Check out this deal! Boat part number 8103878 is a new fishing rod butt holder for a 2017, 19 TRX model Trition Boat, part number 306108. Part my be used on other boats. This rod butt holder is constructed out of 1/2 thick black starboard. It measures approximately 17 3/8″ H x 17 1/2″ W overall. Hosts (12) 1 7/8 Dia. Overall Dimensions: 17 3/8″ H x 17 1/2″ W. Customers please note every computer shows colors differently. All measurements are approximate. Hardware and instruction / installation manual not included. A Message from Great Lakes Skipper. We stand behind our products and maintain great relationships with our customers. The physical address you provide must be deliverable by ANY service of our choice. Feel free to send us a message any time!