Loading... Please wait...0.5" Hollow Punty Rod (Step-Down Punty). The hollow series offers the user good balance and a smooth transition from pipe to punty. They are made of stainless steel and come equipped with a stop collar and grip. They are 54" L with a 3/4" Diameter x 1/16" W shaft. The last 2" of this punty steps down to 0.5".