Binzel Compatible MIG Gun Nozzle Insulator Cap, made from premium materials and designed to fit seamlessly with Binzel MIG guns, these insulator caps provide reliable insulation and protection for the welding nozzle. Crafted for durability and compatibility, they offer welders peace of mind and consistent results in their welding projects. Suitable for BZ40 MIG guns and available in Bulk packs of 5 pieces.