Tube fittings have various types of connections, including threaded, welded, barbed, and push-to-connect (also called one-touch). Tube fittings are used in various applications, including machine tools, airplane and truck controls, and automated production lines, among others. Eaton Weatherhead® 1/2 JIC Male, Carbon Steel, SAE 37 Degree Flare... They are made of brass, stainless steel, polybutylene terephthalate (PBT), and other materials that resist corrosion and wear. flared-tube-fittingsEaton manufactures electrical, hydraulic, and mechanical power equipment. Performance Tool W80671 37 Degree Flaring Tool for an and JIC Fittings, Silver 37 Degree Flare Tool EATON C35205X8X8, JIC 37° Flare-Twin, 1/2" MNPT X 1/2" JIC Male, Nut And Sleeve 37 Degree Flaring Tool Carbon steel for durability and resistance to rupture under high pressure About This Listing Hardshell Case with Humidifier for Nylon String Guitars Push-to-connect connections do not require tools or sealants.