Eliminate an adapter! These hose ends are ideal for racing brake calipers with NPT inlet ports. They are also perfect for building pressure gauge hoses. They are designed to work with our Size 4 Stainless Braided PTFE Lined Brake/Clutch Hose (Part No. 3260-4, sold separately). Non-swivel only (the hose must be rotated to screw the NPT fitting into the female port).