Sizes Available - Nominal Sizes (mm): - 

25 x 25, 25 x 50, 25 x 75, 25 x 100, 25 x 125, 25 x 150, 25 x 175,

25 x 200, 25 x 225.

50 x 50, 50 x 75, 50 x 100, 50 x 125, 50 x 150, 50 x 175, 50 x 200,

50 x 225.

75 x 75, 75 x 100, 75 x 125, 75 x 150, 75 x 175, 75 x 200.

100  x100 

38 x 225

38 x 275

 These sizes are not exhaustive.