ASC Anvil 1-1/4"x1" Black Hex Reducing Bushing. It is made of durable malleable iron and can withstand a maximum pressure of 300 psi. Anvil International ensures strict quality standards by manufacturing and testing each fitting to meet ASME B16.3 and B16.39 specifications. Elbows and tees 3/8 inch (10 DN) and larger undergo 100 percent gas testing at a minimum of 100 PSI (6.9 bar). Suitable for gas, water, and oil applications.