I dont think their sheer strength would be stronger than rods? There is a much larger bond area in a rod than tube. Maybe they flex less though? Could be that the tubes are cast and the rods were extruded, but I still think its odd. Did he say anything else about why they would be stronger?

Thanks :)

yah, after using the hollow rods, i'm not 100% convinced myself. they did work well however would tend to break easily at times. that said, applying the acrylic and hydraulic cement combo is amazing at making unusual scapes!

Know OF anywere in edmonton to get this acrylic rod?