1-1/2 x 1-7/8 Hose x Male O-Ring Boss Bead InsertThe 1 1 2 x 1 7 8 Hose x Male O Ring Boss Bead Insert is a precision fitting designed to connect flexible hoses to male O ring boss threaded ports securely. Constructed from steel, this beaded insert ensures a firm grip on the hose, preventing slippage and maintaining a leak proof connection. Ideal for hydraulic, pneumatic, and fluid transfer systems, this fitting allows reliable flow control and efficient installation in compact spaces.