med rev 13-15 using hammer blade reac or vicious particle pearl both seem to get down lane but very incon sistent some times get alot of ten pins. playing second arrow or third. tried alot of diff drillings and balls. usally use drill sheet with ball. med oil ball tracks below thumb and fingers more of a stroker then power player. looking for ball to go long with a consistent backend. place where i bowl pushes hammer i've tried all diff companies of balls useally buy 8 balls a year. thanks for your help