Spokey Supra Tube SPK-943083 medium rubber expander Properties: The rubber expander in a wrap is a compact device for exercising the upper and lower body parts. Non-slip handles made of durable and soft foam ensure comfort during training. Its small size combined with its versatility make it an ideal device for home use. Technical data: material: latex rubber, EVA dimensions: 1200 x 10 x 6 mm resistance: 13.5 kg