Designed for target archery; use with small diameter 3D and field archery arrows Optimum stiffness reduces drag to maintain downrange speed Advanced polymer material provides excellent memory for consistency Low-profile hybrid vane designed for ideal clearance Revolutionary design promotes spin for a straighter trajectory Adhesion guaranteed on TAC fletchings when you use TAC Primer Pen and TAC Glue Height: .390" Low-profile vane Length: 2" Weighs 4 grains Made in the USA