DW-50-20-G-D-368 DW-50-20-G-D-400 DW-50-20-G-D-450 DW-50-20-G-D-485 DW-50-20-G-D-500 DW-50-20-G-D-580 DW-50-20-G-D-618 DW-50-20-G-D-675 DW-50-20-G-D-730 DW-50-20-G-D-750