The Lincoln Electric Magnum T14050-072 068-072 Contact Tip KP2100-1B1 is a set of 10 welding tips designed for use with a specific size of welding torch. Made by the reputable brand Lincoln Electric, these tips are essential for ensuring a proper and consistent weld. The tips are .068 inches in size, making them compatible with a specific model of torch and providing a reliable solution for welding and soldering projects in industrial and manufacturing settings.