Hydraulic 2-Piece Re-Usable Coupling Insert 1/2in X 1/2in BSP Female 90 Swept - Sparex Part S.4758Hydraulic 2 Piece Re usable Coupling Insert 1 2'' x 1 2'' BSP Female 90 Swept Sparex Part No. S. 4758 Introducing the 90 Female Insert (Re Usable), designed for optimal performance in hydraulic applications. This coupling insert features a hose inner diameter of 1 2 inches (12. 7 mm) and a thread size of 1 2 inches, making it a versatile choice for various setups. With a nominal I. D. of DN12, this product ensures a secure and reliable connection.