It's time to hit the water and get your line wet and start having some fun! This Piranha Arrow with Shaft makes it simple and easy to bowfish and is completely reliable. The 5/16” diameter shaft is made of standard white fiberglass and is 1190 grains. The point has a JackHammer tip, which is replaceable to ensure that you always have a sharp point. It is made of extremely durable stainless steel.