3/8 Insert Only - Single EndThe 3 8 Insert Only Single End is a brass reinforcement component designed to be used inside 3 8" outside diameter (OD) tubing. It helps prevent soft tubing from collapsing when used with compression fittings, ensuring a secure, leak resistant connection in pneumatic, hydraulic, and fluid transfer systems. Specification Details TYPE Insert Only Single End DESIGN Single End Design for secure insertion MATERIAL Brass for corrosion resistance MATERIAL