Optimized for Acetylene Use: Specifically designed for acetylene fuel gas, these cutting torch tips efficient and precise cutting performance. Ideal for professional metalworking and welding applications. Comprehensive Size Range: This set includes sizes 0, 1, 2, and 3 of the 1-101 series, providing versatility for cutting thicknesses and applications. Each tip is crafted to meet rigorous industry standards for performance. Compatibility and Design: Perfectly fits V-style heavy duty acetylene cutting torches, including the CA 2460-90° cutting attachment. These tips are engineered for reliability and durability under tough working conditions. Professional Grade: Each tip in this pack of 4 is manufactured with precision to consistent, high-quality cuts and long service life. Ideal for both professional welders and hobbyists seeking professional results. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Color:Copper Color Material:Copper Package Contents: 4 * 1-101 Acetylene Cutting Nozzle ( 0-1-101,1-1-101,2-1-101,3-1-101) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.