The Large Axion-Trainer is an aluminium tube with plastic covers that is 30 centimetres long and 7 centimetres in diameter. Its weight, including the movable grit on the inside, is 2 kilos.
Large AXION Trainer
Regular use of the Large Axion-Trainer improves core strength, connective tissue flexibility, explosive strength, coordination, and cardiovascular stamina. It also promotes muscle growth.