I just switched and founf what you did,,I took some advise from my two great buddies in archery,,Steve,Tim, and started shooting wood and I love it,,Its got mass weight,,Like said above,,predetermined point weight and length,,pic out an arrows,, they make your bow real quite and are quite to draw back too,,Good luck with you introduction to wood arrows,,I was lucky to have the freinds that I do to help me get started,,JB