standard Ivory coloured Natural vulcanised rubber gasket for soundbox diaphragm. Outside Diameter 3.2 mm approx, inside diameter 1.6mm approx. Please note that this is the correct type flexible tube natural rubber cord for all mechanical Gramophone soundbox diaphragms. Supplied in a 1 METRE length, enough for approx 4 X HMV Exhibition type soundboxes or around 3 soundboxes of larger diameter.
Also a very useful gauge natural rubber tube, perfect to restore the hardened & perished rubbers on an early Electro-magnetic Gramophone pickup, around the needle armature pivot.
If you order 2 lengths you will receive 1 x 2 metre length etc.