Do you have a JOB sink strainer and measure that the plug has a diameter of approximately 85mm?
Then you need this strainer plug.
Strainer plugLook carefully at the top.
(large button without logo)
bottom of strainer plug.
Black ring with rubber. (in the black ring there is a step in depth)
On the overflow plate it says JOB
The strainer in the sink looks like this
Bottom of JOB strainer plug set
Characteristic grey strainer with right angle bend towards the back with union nut with coarse ridges.
