The 2Pc Set American Torch Tip 164-4 Acetylene Gas Cutting Tip Size 4 Series 164 is a high-quality welding accessory designed for use with acetylene gas cutting torches. Specifically compatible with Airco Torch models, this cutting tip set features a 0-degree head angle and a tip size of 4. With a pack of 2 units, this product ensures precise and efficient cutting performance for various industrial welding and metalworking applications. Made by American Torch Tip, a trusted brand in the industry, this cutting tip set is a reliable option for professional welders and cutters.