Horton Bone Collector 20-Inch Carbon Arrows with Vanes (6 Pack) Length - 20", Weight- 319 grains, Matched Weight Tolerance- +/-1 grains, Straightness Tolerance- +/-.002, Insert Material- Brass, Insert Weight- 110 grains, FOC- 21.40%, Nock Style- Moon, Vane Size/Style- 3" NAP Quick Spin