DW-20-12-T-Q-400 DW-20-12-T-Q-450 DW-20-12-T-S-375 DW-20-12-T-S-472 DW-20-12-T-S-500 DW-20-12-T-S-530 DW-20-12-T-S-600 DW-20-12-T-S-625 DW-20-12-T-S-650 DW-20-12-T-S-748