The Dyno thane Vendetta Particle Pearltrade features the same core and construction as the others in the successful Vendetta series but with a brand new pearlized low load particle coverstock for extreme control and power. Challenged with improving on the already popular Vendetta Particle, the engineers at Dyno thane have crafted a coverstock that is clean in the heads and firm in the backend. When the heads break down and the backends carry down, fire back with the Vendetta Particle PearlDyno Thane's PRO PIN technology is taking layouts and ball reaction to the extreme. Once only used on the Professional Tour for condition specific drillings, these balls are now being made available in limited quantities to the general bowling public. Why As the requests, requirements, and styles of today's bowler changes to address new lane conditions and patterns, STORM is answering by providing and packaging these items separately from the standard first run items due to their unique nature and value.Dyno Thane PRO PIN bowling balls are All first quality Dyno Thane bowling balls Manufactured with the same high quality standards as all other Dyno Thane products Manufactured with the highest integrity Made with the same high quality materials as all other Dyno Thane products Great for specialized layouts and drilling options Potential for enhancing dynamic use of core position Meet all A.B.C., U.S.B.C. and P.B.A. regulationsDyno Thane PRO PIN bowling balls are first quality bowling balls with pin distances over 5 from the center of gravity and top weight between 2 and 4 ounces. Through our testing, we have found that these balls lend themselves to a variety of drilling patterns outside the range of pins less than 5 which would require an extra hole to accomplish with standard pin and top weight specificiations. Based on the desired reaction, some Pro Pin drillings may require an extra hole for balance requirements.Please visit your pro shop professional for ass