Diameter kleine opening: 1.0 cm
| Material: | metal - galvanised |
| Colour: | silver |
| Dimensions (cm): | internal: 1.0 , M10 (0.39 inch) |
| Thickness / depth (cm): | thickness: 0.1 (0.04 inch) |
| Outer Diameter (cm): | 3.0 (1.2 inch) |
Metal body ring, 3.0 cm / 1.2 inch diameter, silver coloured.
With an m10 opening (or 1.0 cm / 0.39 inch) in the middle section.
Can sometimes come in handy when you're repairing a lamp.