BARBED HOSE TAIL CONNECTOR Fitting to Male BSP Thread. 

These are barbed hose tails with a male BSP thread.

Dimensions shown are the External diameter of the hose tail (in mm's) and the BSP thread size (in inches). 

Please note that BSP thread measurements are not the same as ruler measurements (they vary by about 1/4").  Use the BSP thread guide attached if you are not sure which size you require.

The External diameter of the hose tale corresponds with the Internal diameter of the pipe you are using.

All sizes are supplied in packs of 2 pieces EXCEPT for the larger 38 mm and 50 mm sizes which are supplied as singles.