1/2" (20.9mm) BSPT 60mm Barrel Malleable Iron Black 
Perfect for creating your very own pipe light.
As this item is iron it may show signs of surface rust over time or at the point of us sending it to you.
This will make a stunning rusted effect light fitting over time, you may want to speed up the effect by leaving it out to the elements.
Thread: 1/2" BSP
Thread Pitch: 1.8mm
External diameter: 20.9mm
Please Note: Due to the thread being tapered you will not be able to thread the fittings all the way up the thread and you will see the thread before the fittings.
1/2" BSP (British Standard Pipe) is in fact 20.9mm in diameter and not 1/2" imperial.