DW-12-20-F-S-850 DW-12-20-F-S-855 DW-12-20-F-S-860 DW-12-20-F-S-865 DW-12-20-G-D-1000 DW-12-20-G-D-1010 DW-12-20-G-D-1020 DW-12-20-G-D-200 DW-12-20-G-D-310 DW-12-20-G-D-400