LAMPS & ADAPTORSCRIMPS, SLEEVE & SHRINKTRANSFORMER & DRIVERSTOOLSFIXINGSCONSUMABLESELECTRICALSSPECIALIST REPAIRPOINT OF SALECLEARANCE / REUSE
This bush has a 1/2-inch external thread and a 10mm internal thread. It's our most popular reducer because it can convert a 10mm threaded end to 1/2 inch, allowing you to join any 1/2-inch threaded lampholder to a 10mm thread.