Miller KA797010 is a portable resistance spot welding equipment that can be used for pin welding. It features automatic heat control and variable weld time. The device is easy to operate, with a simple sequence of operation. It also has a number of safety features, such as a safety alert symbol and signal words, which help to protect the user from injury. The Miller KA797010 is a versatile and powerful tool that can be used for a variety of applications.