CoreX Resistance Trainer The CoreX Resistance Trainer uses resistance force to work your muscles. Unlike traditional weights, resistance bands adjust tension throughout the entire movement. Even during the return phase of the exercise, known as a negative force is exuded, thereby providing continuous resistance throughout the entire exercise. The CoreX Resistance Trainer is ideal for increasing strength, toning muscle, and increasing flexiility. Content Includes: Two commercial quality CoreX SpinFree handles. These revolutionary, ergonomic, dual molded handles, are designed for comfort, strength and low spinning resistance. 85 lbs of tension, comprising: three long life, protected sleeve, premium exercise bands. Medium 15lbs, Strong 25lbs and XX Strong 45lb. Bands can be attached individually or used simultaneously. Two large chrome carabiners enable multiple band attachment, or thread through attachment/doubling up. Two reinforced, padded ankle straps with oversized chrome attachment rings. The CoreX ankle straps are ideal for leg and ab exercises and are readily attachable to resistance bands, gym equipment (cable machines) and gym sticks. Door anchoring brings another usage dimension to resistance and suspension/body weight training. The anchor can accommodate up to three resistance bands simultaneously by passing each band through the anchor's eye. Made from 2.8cm (1.1 Training and set up booklet, comprising: 48 laminated pages detailing 36 essential exercises, 8 workout programs, plus coaching and setup tips.Lifetime handle and carabiner warranty. One year ankle strap and door anchor warranty.