Plastic Medical Oxygen Cylinder Wrench 5-Pack Durable ABS Plastic, Fits Oxygen CGA-870 Post Valves Oxygen Tank Key Wrench, Oxygen Wrench Manufactured from high-quality ABS plastic A must-have tool for users needing a reliable o2 wrench for gas wrench applications Universal Fit for CGA-870 Valves: Designed to fit oxygen CGA-870 post valves, this oxygen tank key wrench provides a snug and secure grip Compatible with o2 regulators for oxygen tank Sold 5/Pack
