The tools, which do not need compressed air have been required strongly since the world’s demand of energy saving is becoming the main stream. R1B2 has been developed to meet the demand. It has an original motor layout and an ergonomically designed curve: this makes it possible to fit in to your hand perfectly, operate with no stress, decrease the fatigue of workers and enhance user’s efficiency. Also, our high-performance cordless riveter has the quality to last long for continuous duty in a factory because of adopting efficient power transmission. It has been contributing to making shift from compressed air to cordless.