On offer are Fibre (C.N.A.F.) Washers- I.D's from 19.2mm up to 20.9mm. 10 sizes to choose from, 10 per pack.   Sizes as follows: 

Dimensions in millimetres (mm), OUTSIDE DIAMETER (O/D) X INSIDE DIAMETER (I/D) X THICKNESS
26.3 X 19.2 X 1.6,
27.6 X 19.8 X 1.5,
27.1 X 20.1 X 0.7,
28.1 X 20.2 X 1.5,
30.5 X 20.4 X 1.5,
30.6 X 20.4 X 1.5,
30.6 X 20.7 X 1.5,
28.8 X 20.9 X 1.3,
28.8 X 20.9 X 3,
33.8 X 20.7 X 2

Please send a message if you would like an item to be sent outside of the U.K.