Roto Grip Gem Garnet 15p4oz (at purchase) Top: 2.92 Pin: 2-1/2 MB: Right 1/4 Drill: 3-hole, no plug Used for about 20 games Finger grips were used, but have been removed. Outer diameter is 7/8 (ladies size). Thumb solid is 1-1/8. There are minor scratches from bowling, but no noticeable gouges. Since the original box is not available, it will be shipped in a substitute box. Thank you for looking. #Bowling #BowlingBall #RotoGrip #rotogrip #Gem #gem #Garnet #garnet #GemGarnet