DW-12-20-G-D-830 DW-12-20-G-D-830-LL DW-12-20-G-Q-200 DW-12-20-G-Q-400 DW-12-20-G-Q-450 DW-12-20-G-S-669 DW-12-20-G-S-715 DW-12-20-G-S-750 DW-12-20-G-S-770 DW-12-20-G-S-800