Hammer Black Widow Viz-A-Ball Bowling Ball Weight:15 lbs. Intermediate Differential (Diff): N/A

Intermediate Differential (Diff): N/A

OnTheBallBowling MLB Boston Red Sox 2018 World Series Champs Bowling Ball

041 Mass Bias Diff：0

BSI Solar III Single Tote Charcoal/Black

Hammer Black Widow Viz-A-Ball Bowling Ball Weight:15 lbs. Intermediate Differential (Diff): N/AHammer Black Widow VIZ A Ball Bowling Ball With a performance core get the Hammer Black Widow Viz A Ball. This is the first one with performance core. Just like the other performance Black Widow balls this one is also with plastic and contains iconic Gas Mask core. It will give you more hitting power. It's a powerful spare ball while on a dry lane. Keep it in your arsenal! Featuring: Black Widow Coverstock: Polyester Core: Gas Mask Finish: Crown