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 DW-12-20-G-S-835 DW-12-20-G-S-846