The Victory Armour Piercing line of arrow shafts is an ultra-small diameter thick walled arrow designed for accuracy and increased penetration. Features high quality carbon composite construction and Victory?s ICE coating for a smooth polished finished. Straightness tolerance of +- .003? and weight tolerance of +- 0.5 grains. Available in sizes 300 (8.7 GPI) 350 (7.8 GPI) 400 (7.1 GPI) and 500 (6.0 GPI). Nocks and inserts included. Factory fletched with Blazer vanes. Features:Ultra-small diameter shaft designed for accuracy and penetration;ICE coating;Spine indexed;Straightness tolerance: +-.003 ;Factory fletched with Blazer vanes