Camco RV Water Heater Drain Valve Wrench allows you to open or close stubborn water heater drain valves without scraping your knuckles. This heavy-duty, high-impact plastic wrench has an adjustable handle that lets you get at hard-to-reach valves with leverage to loosen stubborn valves. The open handle allows hot water to flow to the front of the heater, preventing pooling. Fits petcock drain valve on Suburban and Atwood water heaters Hollow handle allows water to flow to front of heater Open or close stubborn drain valves without scraping your knuckles Adjustable handle allows access to hard to reach valves Easy to use