The smallest type is YWC-0.25 which can be installed on ship less than 1000DWT .The biggest type is YWC-5.00 which can be installed on ship more than 300 thousand DWT.

YWC-0.25, YWC-0.50, YWC-1.00,YWC-1.50,YWC-2.00,YWC-2.50,YWC-3.00,YWC-4.00, YWC-5.00