16 size grades

16 size grades:

Model 1:

260, 261, 280, 281, 290, 291, 292, 293, 294, 295, 298, 299, Polaris

Model 2:

203, 204, 207, 209, 211, 212, 215, 217, 219, 223, 227, 229, Studebaker