DW-12-20-S-Q-400 DW-12-20-S-Q-450 DW-12-20-S-S-375 DW-12-20-S-S-435 DW-12-20-S-S-625 DW-12-20-S-S-735 DW-12-20-S-S-750 DW-12-20-S-S-800 DW-12-20-T-D-1000 DW-12-20-T-D-200