Propane hose assembly 20 In. long with an Acme nut on one end and 1/4 In. male pipe thread on the other most commonly used to connect a bulk cylinder on a camper to a regulator. Acme Nut x 1/4 In. Male Pipe Thread. Hose material stretch tested to 400 psi. Hose material pressure tested to 600 psi. Solid brass fittings. WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. Wash your hands after handling this product. For more information visit www.P65Warnings.ca.gov -