As a former welder/fabricator I make my own pole holders out of 1/2 black iron pipe and use floor flanges as the bases simply cut the pipe on a angle to hold pole tips out of the water and have someone weld a piece of 1/16 x 3 inch flat steel on top x18 inches or so ,drill 5 holes in it and mount 5 pieces of pvc pipe to hold your poles and you are set