The Motiv Jackal Onyx bowling ball is a high-performance ten-pin bowling ball made of reactive resin with an asymmetric core. It weighs 15 pounds and has a sanded finish. The ball is undrilled and has a pin size of 3.7 inches and a total weight of 3.6 ounces. The Jackal Onyx model is suitable for medium-heavy lane conditions and is designed for bowling enthusiasts who want to improve their game. Free shipping Make offers