Pipe Dies for Machine Die Heads, For Universal Die Heads Nos 504A 711 713 811A 815A 816 817 842, HS SS RH, 14 NPT ORS NASCO General purpose Good impact resistance Ideal for General purpose Good impact resistance Ideal for bonding dissimilar substrates like PVC Easy access to the valve handle with no need to remove the protective cap and replace regulators each time access to cylinder is needed Comes with a lock for extra security Comes in safety yellow for added visibility Strong and durable pipe dies for use in universal die heads Applicable to a wide variety of die heads A convenient replacement to keep systems functioning for longer