Part No. / Total Change
23221 .25° (1/4 degree)
23222 .50° (1/2 degree)
23223 .75° (3/4 degree)
23224 1.0° (1 degree)
23225 1.25° (1-1/4 degree)
23226 1.50° (1-1/2 degree)
23227 1.75° (1-3/4 degree)
23228 2.0° (2 degree)
23229 0° (0 degree)
23211 2.25° (2-1/4 degree)
23212 2.50° (2-1/2 degree)