350 Spine/.001 Straightness/.244 ID/ Aluminum Insert. The Judgement is designed specifically for hunters seeking a lightweight, fast and tough hunting arrow. As a standard-diameter arrow, it is built with 100% carbon and our proprietary Rugged Wrap construction process to create the ultimate hunting projectile. The Judgement is an incredible combination of speed, accuracy, and toughness. If you want a tough arrow with speed, then this is the arrow for you.