I have a RevMaster, Thrash and Freak for sale. All 16 lbs. Had my primary bag/current arsenal "borrowed", need to replace asap. Brought these out of closet but center I bowl league in has put in new lanes, new oil machine and new oil pattern in the last 2 years and these balls no longer effective. All with grips and Custom thumb, span approx 4 1/2 to both fingers. RevMaster and Freak single drill, Thrash 1 excellent plug job right under current holes. Make offer please, PM. Thanks.