CK Model NumbersCK18-1CK24- (1, 1D)CK30- (1, 1A, 1B, 1D)CK36- (1, 1A, 1C, 1D, 1T)CK36- (3, 3A, 3D)CK42-1CK49-1CK49-3CK60- (1, 1A)CK60-3CK60-4