LAMPS & ADAPTORSCRIMPS, SLEEVE & SHRINKTRANSFORMER & DRIVERSTOOLSFIXINGSCONSUMABLESELECTRICALSSPECIALIST REPAIRPOINT OF SALECLEARANCE / REUSE
This ring will adapt a European shade holder to fit a B22 or E14 lampholder, by reducing the aperture from 40mm to 30mm. It fits within the opening.
ES / E27 to BC / B22
Fits internally to the shade ring to reduce hole size