RIDGID® PEX Expander Heads are engineered for versatility, consistency, and durability. Designed for quick changes, the secure threaded connection allows seamless swapping between 3/8” to 1” head sizes and each head features clearly etched size indicators. Equipped with auto-rotating capability, these heads ensure even, uniform expansion across all PEX Type-A fittings, reducing errors and rework. Built from stainless steel, they’re made to endure the toughest jobsite conditions while resisting corrosion over time.