The Kong Rackkong Descender with Bars has a durable stainless steel body that features aluminum alloy bars and allows a continuous variation in speed. Users only have to move the bars to adjust the speed of descent. Distant bars allow higher speed and close bars slow down the speed. This Descender with Bars is a superior quality device that has been totally developed and produced in Italy. The device prevents the ropes from twisting and has been tested piece by piece to ensure proper safety in its usage. The CE certification further validates the safety in using this device. Sports activities like canyoning and caving are perfect to use this device. The red,blue and polished finish gives this descender a distinctive look