Rubber training Spokey Power II Hard blue 920957 Rubber closed circuit Power II Hard Brand Spokey. Made of durable material, resistant to stretching and damage. Has a wide range of uses, ideal for general training. Technical data: ·material: rubber ·length: 208 cm ·width : 28 mm ·opór: 15-20 kg·thickness: 4.5 mm·color: blue