Hammer Maximum Effect Bowling Ball $300-$325 This plastic spare ball is

This plastic spare ball is USBC approved and engraved with the team name and logo

The "roller" aspect of the bag refers to the built-in wheels and extending handle

The QR-4 Solid coverstock found on this ball matches up well with the Track Symmetric core

Recharges the bowling ball to original reaction

Hammer Maximum Effect Bowling Ball $300-$325 This plastic spare ball isThe Hammer Maximum Effect is the next evolution of the acclaimed Hammer Effect, one of the most talked about high performance balls in recent years. Built around the proven Huntsman core that made the original a favorite, the Maximum Effect delivers explosive power and precision designed to take your game to the next level. Performance: High Performance Color: Black, Green, Purple, Silver Core Type: Asymmetrical Core Name: Hammer Huntsman Core