KING ATHLETIC Ab-Roller Wheel :: Abs Carver for Abdominal & Stomach Exercise Training :: Because You Need The Best Fitness Core Shredder :: Your New Ab Trainer Includes Two Instructional eBooks While many ab-rollers are cheaply made, bend under pressure, or are dangerously slippery, the King Athletic ab roller features a heavy-duty metal shaft and a dual-traction wheel for best grip. Assembled with environmentally safe materials, it is best for a FULL RANGE OF MOTION FITNESS ROUTINE. We believe in quality products and that's why you get a 200% money back guarantee. This is better than money back guarantee! If you are not completely satisfied with your product, we will SEND YOU A NEW ONE and give you a FULL REFUND. See product packaging for more details. Whether you are a beginner looking to introduce a great core workout to your fitness routine or have been reaping the benefits of an ab-roller wheel for some time, our wheel is the best way to shred calories, build muscle mass, and exceed your fitness goals. Save time with free, easy-to-use assembly instructions that make assembly and disassembly quick and stress free. Portable, lightweight, and travel friendly, this abdominal roller wheel is great for travel and athletes who are on the go. Our mission is to promote fitness and healthy living that's why we prepared 2 free e-books to help you out with your workout. Are you worried about injuries? Bored with your usual exercise routine? Want to get maximum benefits fast without tons of time-consuming research? Good news! You'll receive 2 e-books ($36 value) that give you a number of proven techniques to take your workouts and nutrition to the next level.