Flex Nozzle holders are ruggedly built to withstand all normal shop punishment. Shaft assembly is constructed with a durable steel jacket for tough, corrosion resistant protection. The unique design of the shaft allows it to bend easily into the exact position and angle required, and then hold that position until reset. The flexible shaft assembly easily bends in all directions to reach over, under or around all types of obstructions. All nozzles have the quick plug-in feature. Just plug in the nozzle and the system is ready to go.