Fat Fish Designz V8 Seat Post Vertical Rod Rack (holds 8 rods)Securely transport your fishing rods and make your next fishing experience effortless with the V8 seat post rod rack! This ultimate solution keeps your rods neatly out of the way and away from damage. Rod holes spaced 4 on center, and a 1. 5 diameter. Includes a custom aluminum mount that fits most seat post. This 15 long x8 wide x10 tall assembled rack is made from thick starboard marine grade plastic. Get a seat post Rod Rack for a stress free