Internal thread 1.3 cm (0.51 inch) M13 x 1
| Material: | metal, galvanised |
| Colour: | silver |
| Thickness / depth (cm): | 0.5 (0.20 inch) |
| Outer Diameter (cm): | 1.9 (0.75 inch) |
6-sided metal nut (galvanised) with internal M13x1 thread.
M13 = 1.3 cm / 0.5 inch.
x1 = thread (in this case, fine wire, is often used with lamps / lighting).
