BONE-CRUSHING PENETRATION Designed for the hunter who wants ultimate penetration. Heaviest carbon cross bolt in CX line-up creates maximum kinetic energy and great knock-down power. Advanced construction ensures spine consistency for greater accuracy and the composite material is extremely durable at impact for exceptional reliability and repeat performance. Fletched with 4" vanes. Moon Nocks. Size: 20". Weight: 442 grains. Diameter: 0.348". Straightness Tolerance: +/- 0.004 MAX. 6 pack. Note: Weight includes 100 grain field points. Include inserted moon nocks, plus 6 universal flat nocks. Model 52140.