The Hose Set for 4 Port Torches allows you to attach a single set of hoses to any burner with 4 ports, and consists of 2, 18” long, 1/4” T-grade, oxygen hoses and 2, 18” long, 1/4” T-grade, gas hoses with "B" fittings on both ends, and 1 brass oxygen Y connector and 1 brass gas Y connector. Also included is a set of adaptor couplers to attach the "Y" connectors to your existing hose set.