Brass adjusting ring, 13 mm / 0.51 inch inner size (so suitable for M13 pipes). You place an adjusting ring on the metal rod of your lamp, just below the ceiling cap. So that your ceiling cap stays nicely tight against the ceiling (see also 3rd photo).
Binnendiameter: 1.3 cm
|Inner Diameter (cm):||1.3 , M13 (0.51 inch)|
|Outer Diameter (cm):||1.7 (0.67 inch)|
|Heigth (cm):||0.6 (0.24 inch)|