DW-20-12-T-D-820 DW-20-12-T-D-830 DW-20-12-T-D-850 DW-20-12-T-D-866 DW-20-12-TM-D-670 DW-20-12-T-Q-200 DW-20-12-T-Q-400 DW-20-12-T-Q-450 DW-20-12-T-S-375 DW-20-12-T-S-472