This ball uses the single density version of the Precision SD core

Color: Black/Magenta/Yellow

This ball can be used by any bowler no matter your style or skill level

Color: Black/Neon Green

Roto Grip Hustle M+M Bowling Ball nfl This ball uses the singleRoto Grip Hustle M+M Bowling Ball The Roto Grip Hustle M+M is designed to be different. You'll find that the inside is the exact same Hustle Core used in their previous balls but they've created a new Reactive coverstock that will create earlier movement than all the others. So, whether you are looking for a specific reaction to fit in your current arsenal on lighter oil conditions, or looking to get your very first ball, there is a Hustle that is