Attach to walls or ceilings and pull out the air hose to use. The winding function will activate when you pull it out again. (Ratchet & Spring Mechanism): The main body bracket can be swapped 1. The hose outlet comes with a roller to reduce damage to the hose. , Case Material: Steel, Secondary Hose Length: 49.2 ft (15 m), Primary Hose Length: 3.3 ft (1 m), Hose Inner Diameter: 0.2 inches (6.5 mm), Air Inlet/Outlet Screw Size: 1/4 inches, Maximum Pressure: 2 Mpa, Hose Material: PU (with polyurethane net), Outer Diameter: 15.4 x 16.1 inches (390 x 150 x 4150 kg), Weight: 10 kg) Socket (female): 1 Includes male plug.