116PCS Air Line Quick Connect Fittings,1/8",1/4",5/16",3/8",1/2",4/6/8/10mm OD. Size: 1/8in, 1/4in, 5/16in, 3/8in, 1/2in, 4/6/8/10mm OD. Design: these air hose fittings feature a circular release ring design, which facilitates simple installation and removal of hoses.
