These were from these mixers and were used in many others, they have a flat top to them unlike the Model 2 and 2A and some others that have lines.

There is also a small plastic spigot thats used but looks smaller than normal

Push button 10.58 mm high 10mm wide at widest part 5.57mm side at widest width

Spigot 11.34mm high 6.83x 4.04mm wide at widest part

As always some staining to the cream ones

Price for one