BIAL EX Pedal Bodybuilding Expander Latex Tube Foot Elastic Pull Rope Application: Pedal Exercise Material: PER foam plastic. Length: 56cm, Width: 26cm. Rowing action exerciser,Tighten abdominals,Strengthen back,Trim thighs,Tone buttocks This body trimmer is a stretching piece of exercise equipment using a strong rubber tube between your hands and feet.