The CenterPoint high performance carbon shafts feature improved wall thickness for added durability. The 20" bolts have a 425 total grain weight when a 100 gr. tip is installed. Each bolt meets tight weight and straightness tolerances. Bolts come fletched with 4" vanes and half moon nocks assembled. Includes six 100 gr. field tips. These arrows are heavier than the standard arrows included in the Sniper Crossbow Kit, delivering better performance and penetration.