GoFit Rock-n-Roller Functional Training Tool For The Upper Body & Core 2 Hand-grip Locations Provide Versatility For Push-ups Rocking Dual Rollers Deliver An Intense Ab Workout That Challenges Balance & Core Stability Solid Steel Construction Firm, Oversized Rubber Go fit Handles For Superior Grip Includes Go fit Rock-n-roller & Training Manual A functional training tool for the upper body and core Two hand grip locations provide versatility for push ups and the rocking dual rollers deliver an intense ab workout Challenges balance and core stability Unique combination of push up bar and ab roller to build chest and arm strength while creating a more defined set of abs Includes Rock-N-Roller and training manual