Excalibur paired up with Easton arrows to bring you their 18” carbon Diablo bolt, designed specifically for use with Excalibur's Matrix crossbow. With 2” vanes, a spined design and increased front-of-center weights, these crossbow bolts deliver blazing-hot speeds and unbelievable accuracy. The included flat-back inserts eliminate the need for nocks and provide more reliable contact with the string. Per 6. Length: 18". Overall weight: 250 grains (without point).