DW321-D12S DW3220 DW-32-20-F-D-200 DW-32-20-F-D-400 DW-32-20-F-D-450 DW-32-20-F-D-500 DW-32-20-F-D-503 DW-32-20-F-D-587 DW-32-20-F-D-600 DW-32-20-F-D-620