The Alfagomma A-FMOH Two-Piece Fittings are straight, carbon steel hose end fittings designed for use with metric O-ring female swivel 24° seat connections, specifically for DIN 3865 heavy-duty DIN tubes. These fittings are suitable for wire and textile braided hoses, thermoplastic hoses, Flexor 4, PTFE hoses, and Alfabiotech hoses ranging from ³⁄₁₆" to 2" in diameter, and certain smaller ID spiral wire reinforced hoses. Ferrules are metal inserts used to ensure a secure and tight connection between the hose and fitting, preventing leaks. The primary difference between two-piece and one-piece fittings is that two-piece fittings are made up of two separate parts, which allow for easier maintenance and replacement of individual components, whereas one-piece fittings are solid, offering durability but less flexibility. The two-piece design provides more versatility and is ideal for applications that require flexibility, making repairs simpler and more cost-effective.