Elbow Support Automatic Rebound Abdominal Wheel, Ab Roller for Abdominal Exercise Machine, Dolly Core Strengthening Trainer Fitness Belly Training Ab

Elbow Support Automatic Rebound Abdominal Wheel, Ab Roller for Abdominal Exercise Machine, Dolly Core Strengthening Trainer Fitness Belly Training Ab Roller. Smart timing High elastic sponge Widen wheels. DOUBLE 3.5-in Ab Roller I Wider and More Stable. Double Ab Roller, Easy to Assemble Stepl Install one handle to the steel pipe Step2 Thread the semi-assembled steel shaft through the ab roller Step3 Install the other handle to the pipe Step4 Press one handle like this to secure every parts firmly Tip: Make sure both two handles are already installed . 600 POUNDS ULTRA STRONG WEIGHING TRIANGLE STRUCTURE SUPPORT Very friendly to beginners 600 TRIANGLE SUPPORT COMFORTABLE FOAM GRIP ENLARGED AND THICKENEDELBOW PAD