TAC Vanes Driver 2in White Vanes - 100 pack - These vanes feature a mid-profile for ideal clearance, optimum stiffness for reduced drag and maintained downrange speed, unmatched silent flight for hunting and excellent memory for consistency. Revolutionary design promotes spin for straighter trajectory. Constructed using proprietary polymer blend material. Demensions: 2in x .39in Weighs 4 grains Excellent memory for consistency Unmatched silent flight for hunting Designed for hunting; use with all broadheads, 3D and indoor target arrows