KFK Ab Carver Pro Roller for Core Workout, Ab Roller for Abs Workout, Ab Roller Ultra wide ab roller with built in resistance and ergonomic handles to help maximize results of ab roll out exercises Interior kinetic engine uses a carbon steel spring to provide resistance and  amplify abdominal and arm workout Ultra wide wheel tread offers  stability when carving left, right or center for ed work on obliques.DO NOT use if you are over 300 lbs Ergonomic hand grips are angled to activate arm and core muscles; Handles are removable for easy storage and transport All Ab Rollers are backed with a 12-month warranty. We try to provide quality products and service to our customers. Any problem please feel free to contact us and you will get a satisfactory solution Fitnessery Ab Roller - Add To Cart NOW To Enjoy This Ab Fitness Equipment In 48 Hours With Prime!With this fitness ab equipment for abs, building a set of abs of steel just became a whole lot easier.Convenient and easy-to-use. It strengthens your core, burns calories and tones your abdominal. The wheel features non-slip rubber and grips any floor surface. The ab roller wheel is made of stainless steel to ensure long-lasting durability. And features padded handles for a comfortable grip.Each purchase includes a knee pad and 2 bonus E-books. The E-books are emailed to you after purchase.Benefits:✔ Ultra-comfortable hand grips✔ Strengthens arms and shoulders✔ Helps sculpt and tone abdominals✔ Single non-slip rubber wheel design for stable, smooth and fluid movements✔ Every purchase includes 3 FREE bonuses gifts that you won't find anyw else!Click “Add to Cart” NOW To Train With This Ab WheelFitnessery Ab Roller Ships Super Quick - Get Started 48 Hours From Now With Prime.All Fitnessery Products Come With Life-Time 100% Money-Back Guarantee. If You Have Any Problems With This Ab Roller Wheel Gym Equipment, Simply Ask For A Refund Or Replacement. No Questions Asked.You Will Receive:▸ Fitnessery Ab Exercise Wheel▸ Ergonomically Designed Knee Mat▸ Life-Time 'No Questions Asked' Money-Back Guarantee▸ Ultimate Abs Work Out E-book: contains 45 pages of recommended abdominal exercise and home exercises that you can try straight away. Learn the 5 little known secrets to effectively work out your abdominal muscles. You will receive this E-book via email.▸ Six Pack Abs Nutrition E-book: packed with 90 pages of information rich content on which fad diets to avoid, eating healthy and balanced. Learn how meal frequency, metabolism and the thermic effect of foods can help you get a set of abs. You Payment DetailsWe currently accept payment via PayPal only. Once payment is cleared, we will dispatch your shipment within 1-3 business days. Please refer to the "Shipping" tab for more information regarding shipping speed to your destination.Return PolicyAs our valued customer, we will do our best to make sure the product you receive arrives to you on time and as expected. If you are not satisfied with your purchase, please contact us within 30 days of receiving your order to process a return.