The Alfagomma A-FM4H Two-Piece Fittings are designed for use in heavy-duty applications where a 45-degree bend is required. These fittings are made from carbon steel and feature a hose end with a 45° metric O-ring female swivel and a 24° seat, perfect for use with DIN 3865 heavy DIN tubes. These fittings are compatible with wire and textile braided hoses, thermoplastic hoses, Flexor 4, PTFE hoses, and Alfabiotech 3000 and 4000 hoses, ranging in size from ³⁄₁₆" to 2" in diameter. Ferrules are metal components used to secure the hose to the fitting, creating a strong, leak-proof connection. The main difference between two-piece and one-piece fittings is that two-piece fittings consist of separate components that allow for easier maintenance and replacement of individual parts, while one-piece fittings are a single solid unit. Two-piece fittings offer more flexibility and convenience in applications requiring routine maintenance or changes, making them a versatile choice for many industrial applications.