This fitting has a BSP male thread with a barbed hose tail end connector. Application: Pneumatic Accessories,Plumbing Accessories,Water Pipe Fitting, etc. Easy and convenient to install. Specification: Product Name: Brass Pipe Fitting Material: Brass Type: Straight Barb to BSP Male Thread Male Thread Outer Dia: 9.5mm,12.5mm, 16.5mm,20.3mm,25.7mm,32.5mm Fit For Hose Inner Dia: 6mm,8mm,10mm,12mm,14mm,16mm,19mm,25mm ID Hose Fluid Type: Oil, Water, Gas Note: Please allow minor error due to manual measurement. Thank you! Due to the difference between different monitors, the picture may not reflect the actual color of the item. Packing Include: 1 x Brass Pipe Fitting Please note that BSP sizes are not related to the physical thread diameter of the fitting. Please see the diagram below if you would like to identify the size of your fitting.