Plastic insert (PEH) with bronze neck Ø4 5.4m 1.2-1.6mm red is a component designed for precise welding wire guidance. Made of high-quality PEH plastic and equipped with a bronze neck, it provides resistance to mechanical damage and high temperatures. The length of the insert is 5.4m, and its Ø4mm diameter makes it compatible with 1.2-1.6mm diameter wire, making it an ideal choice for MIG/MAG welding applications.