I have an Attitude III, Sapphire Zone and Danger Zone 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. Don't bowl tournaments much anymore either. All with grips and Custom thumb, span approx 4 1/2 to both fingers. Sapphire and Danger single drill, 'Tude III 1 plug job to change layout. Plug job clearly visible when ball not moving, not visible when ball is rolling. Make offer please, PM. Thanks.