This is a NIB Roto Grip X-Cell bowling ball. See the item title for exact specs.
NIB 15# Roto Grip Attention Star S2 Bowling Ball- 15.3/3-3.5" Pin/3.35oz TW
NIB 15# Roto Grip Rock Star Bowling Ball- 15.3/3-3.5" Pin/2.35oz TW
NIB 15# Roto Grip RST Hyperdrive Bowling Ball- 15.3/2.5-3" Pin/3.25oz TW
NIB 15# Roto Grip RST Hyperdrive Bowling Ball- 15.4/3.5-4" Pin/3.46oz TW
NIB 15# Roto Grip Attention Star Bowling Ball- 15.4/2.5-3" Pin/3.09oz TW
NIB 15# Roto Grip Rock Star Bowling Ball- 15.3/3-3.5" Pin/3.32oz TW
