Sweet Sweat Ab Roller for Abs Workout, Ab Roller Wheel Exercise Equipment for Core Workout, Ab Wheel Roller for Home Gym… $24.95 Make sure this fits by entering your model number. GET TONED: This premium core strengthening wheel helps build and tone your abs, arms & back. Effectively work out your core at home, the gym, or the office! 3″ WHEEL: Our wheel is 3” thick, while other brands are half that size! This gives you superior stability, allowing unrestricted movement for a more intense workout