Pipeliner™ Welding Helmet, #10, White, 2 in x 4 1 4 in Window no checkout Frame is made of 1 Frame is made of 1 inch angle aluminum to which a 2 inches wide x 1 4 inch thick strip of high grade flexible black squeegee rubber or neoprene is attached with cadmium plated screws Available with two different types of handle assemblies and curved or straight frames Numbers followed by TP or TPN are equipped with a tapered handle socket adjustable back strap Ventilation eyelets for air circulation functional headgear uses a constant fit rubber headband for frequent re adjustments as pipe welders move about their work Compact design allows access to areas where there is no room for a standard helmet Comfortable