Internal thread 1.3 cm (0.51 inch) M13 x 1
| Material: | copper |
| Colour: | gold |
| Outer Diameter (cm): | 3.0 (1.18 inch) |
| Diameter of opening (cm): | 1.3 (M13) 0.51 inch |
Brass coupling piece for extending rods.
The internal thread: M13x1, 1.3 cm (0.51 inch) with fine-thread winding.
Can be used to connect 2 tubes (M13x1) together.
Can also be used as a decorative object between 2 tubes.
