Mid-profile hybrid vane designed for ideal clearance Revolutionary design promotes spin for a straighter trajectory Optimum stiffness reduces drag, maintains downrange speed Advanced polymer material provides excellent memory for consistency Deadly quiet unmatched silent flight Designed for 3D archery and hunting; 4-Fletch for use with broadheads as well as any 3D arrow Adhesion guaranteed on TAC fletchings when you use TAC Primer Pen and TAC Glue Height: .465" Mid-profile vane Length: 2.25" Weight: 5 grains