The characteristic of this model . 1,This model is our company new designment,the special designment is easy to change the carbon brush,Traditional machine needs to open the machine to change. 2,The machine apperance is the same as original model 28mm. 3,The power is much stronger,the actual input power is 800W. 4,It can add quick changable chuck,the working speed will be higher. At present this model sells very well in South America,such as Brazil,Argentina. The voltage we can do 127V for you. Model No.:2608 Max Drilling Dia:26mm Input power:800W No load speed:0-1300min-1 Impact Rate:0-5500min-1 Weight:3.2Kgs