Check out the GoFit® Resist-a-Bar Kit! The GoFit® Resist-a-Bar combined with GoFit resistance tubes and accessories provides the definitive strength-training kit for a versatile total-body workout. The GoFit® Resist-a-Bar is a total-body strength-training tool that works together with GoFit® resistance products and accessories. The dual carabiner connector ends allow the user to train with the full range of GoFit® Power Tubes—20 lbs. through 100 lbs. Get multiple resistance levels for a multitude of exercises. A GoFit® Power Tube Training Booklet is included with GoFit® Power Handles. You’ll get proper usage instruction, and a detailed, progressive workout guide. Several exercise options are included, with pictures showing correct step-by-step usage. This expandable workout guide helps you get the most out of your GoFit® Power Tubes to reap real fitness benefits. The GoFit® Power Handles are made of heavy-duty, premium components. Durable handle grips have smooth rubber texture with traction pattern, so you keep your grip during exercise. And the GoFit® Door Anchor is made of heavy-duty, premium components. Its firm interior “Stopper” is contained within thick and durable nylon webbing, double-stitched for optimal performance. Please follow attached safety and attachment instructions that are enclosed. * Before beginning any weight loss or exercise program, you should consult with your physician.