Dimensions in mm
(They can also be manufactured as per US and EU standard sizes and specifications)

Dia In MM Dia In Inch Overall Length 200MM 225 MM 250MM 275MM 300MM
8 5/16
8.5 --
9 --
9.5 3/8
10 --
10.5 --
11 --
11.5 7/16
12 --
12.5 1/2
13 --
13.5 --
14 --