DW-12-20-L-D-750 DW-12-20-L-D-750-LL DW-12-20-L-D-776 DW-12-20-L-D-830 DW-12-20-L-D-845 DW-12-20-L-D-846 DW-12-20-L-D-850 DW-12-20-L-D-916 DW-12-20-L-D-916-LL DW-12-20-L-Q-200