TAC Vanes Summit 2in Blue Vanes - 100 pack - TAC Summit Vanes feature a high profile parabolic design, optimum stiffness for reduced drag and maintained downrange speed, and excellent memory for consistency. Constructed using proprietary polymer blend material. Demensions: 1.95in x .525in Deadly quiet in flight Optimum stiffness reduces drag, maintains downrange speed Excellent memory for consistency Designed for hunting and target archery; use with all broadheads, 3D and indoor target arrows