The B-Stinger V-Bars are Light and Very Rigid in order to Maximize the Effectiveness of the Weight being Used to Help Stabilize the Bow. V-Bars help to steady the sight picutre while aiming which gives you a higher percentage of accurate shots and minimizes the bow's reaction to all of the forces that can change during your shot cycle. In short...V-Bars can help you to dramatically tighten your groups!