DW-50-12-G-Q-400 DW-50-12-G-Q-450 DW-50-12-G-S-400 DW-50-12-G-S-490 DW-50-12-G-S-515 DW-50-12-G-S-600 DW-50-12-G-S-625 DW-50-12-G-S-660 DW-50-12-G-S-665 DW-50-12-G-S-685