CenterPoint Archery CP400 Select 400-Grain 20-Inch Carbon Arrows are designed exclusively for the CP400 crossbow. Made of durable carbon with 80-grain brass inserts and aluminum nock collars these arrows are built to withstand the high-energy demands of crossbows. Each arrow comes with a half-moon nock, fletched with 2-inch vanes in orange and white and 100-grain field point. Offered in a pack of 6 to keep you supplied on the range or in the field.