I recently made 6 hill cane arrows from cane that was cut in 2006, 30" long, 5/16" at the nock, 3/8" at the point with 125gr points and they weigh between 552gr to 606gr. These were sealed with 2 coats of Tru-Oil, have self nocks(no inserts) with sinew wrap and the forward end of the fletching has sinew wrap.