GOFIT Effective strength training at home or anywhere with the safe, portable weight-resistance of GoFit Power Tubes. Available in eight different weight resistance levels, they deliver ultra-versatile opt for your resistance workout routine. GoFit Power Handles required (pair sold separately) Includes Power Tube Training Booklet. Heavy duty, premium components. Durable latex rubber tubing, strength-tested to determine reliable weight-resistance levels. Nylon webbing, stitching and connecting rings are enhanced for optimal performance. Innovative tube connection is designed for superior dependability. Length: 54" (137.16cm) Master Pack: 4