This Miller/Smith SC12-1 cutting tip is designed for use with acetylene gas. Measuring 5/8" or 16mm, it is ideal for welding, cutting, and torching tasks. The tip is made from high-quality materials to ensure durability and superior performance. It is compatible with a range of welding equipment and accessories. The cutting tip is perfect for use in CNC, metalworking, and manufacturing industries, as well as for individual hobbyists and DIY enthusiasts. Its brand reputation and high-quality construction make it an ideal choice for all your welding needs.