"L-style" Back Balance Champagne Ring (to change the gravity point of your darts)

Don't you think the balance of your darts are not good? If so, you can try to change the balance of it!! This Back Balance isn't just a normal champagne ring, it has 95% tungsten inside to change the gravity point of your darts. (weight: 0.4g) It is very important to arrange the balance of darts to hit your accurate target more, so it is a valuable choice to adjust it!! Notice: this is champagne rings, it is the item for L-shaft.