The Perfect Fitness Carver Pro Ab Roller will carve your core and help you get ripped abs and sculpted arms. This Perfect Fitness Carver Pro Ab Roller features a carbon steel spring to provide resistance as you roll out and assistance with rolling back. The ultra-wide tread on the  Perfect Fitness Carver Pro Ab Roller provides stability when carving left, right, and center. Plus, the ergonomic handgrips help to activate your arm and core muscles. Start targeting your abdominals during your workout routine with the Perfect Fitness Carver Pro Ab Roller.