DW-20-12-F-D-500 DW-20-12-F-D-500-LL DW-20-12-F-D-551-LL DW-20-12-F-D-592 DW-20-12-F-D-598 DW-20-12-F-D-650 DW-20-12-F-D-665 DW-20-12-F-D-670 DW-20-12-F-D-675 DW-20-12-F-D-680