Strengthen and tone your core muscles and upper body and work towards the six pack you always wanted with this innovative Opti Double Exercise Wheel. The wheels are designed in such a way that prevents sliding and contoured rubber hand grips make it more comfortable for you to use. Compact and portable, it is the perfect addition to any fitness session. Rubber hand grips ideal for strengthening your core muscles. Compact and portable, the wheel will help tone your abdominals and upper body. This exercise wheel features to prevent sliding and provide comfort whilst exercising. Maximum user weight 100kg (15st 10lb). General information: Size H18.5, W18.5, D23cm. Weight 0.45kg. Minimal assembly.