Shaped Coupler (Hollow Internally Threaded Bar) Female 10mm, Height 15mm, Diameter 25mm
These couplers are nicely decorative and work well when used to finish off the top of a lamp. They are threaded 10mm through the centre so can be screwed on to a 10mm all thread.
Before starting any electrical work, always switch off at the mains. If in doubt consult a competent electrician