Improve your efficiency over Wind tower bracket & boiler tube sheet with Koweld’s rail-less welder. - CS-BTS Achieve Constant and precise driving speed and control, possible due to the microcomputer installed on the system. Eliminate the cable load over your work floor with its rechargeable battery feature. It welds in opposite direction after completion of 1 cycle automatic welding to prevent cable twisting. Automatic Crater Function avoids chances of crater cracks and other discontinuities during starts and stops. Conveniently installable on the base material by its handle clutch type system. For More Details, Contact: Weldflow Engineers