Standard thickness.
12 external teeth, 3.874" inside diameter, .070" thick, 5-6 required.

Standard thickness Kolene steel plates
12 external teeth, 3.874" inside diameter, .070" thick, 5-6 required.

6 external teeth, 5.727" inside diameter, .070" thick, 6 required.

25 internal teeth, 6.461" outside diameter, .098" thick, 5 required

43 internal teeth, 5.062” outside diameter, .098" thick, 5 required.