DW-50-12-F-D-755 DW-50-12-F-D-760 DW-50-12-F-D-765 DW-50-12-F-D-770 DW-50-12-F-D-775 DW-50-12-F-D-920 DW-50-12-F-Q-200 DW-50-12-F-Q-400 DW-50-12-F-Q-450 DW-50-12-F-S-252