GKDM 40-0.5M GKDM 40-0.5M/S4000 GKDM 40-0.8M/S4000 GKDM 40-0.9M/S4000 GKDM 40-1.1M/S4000 GKDM 40-1.2M GKDM 40-1.3M/S4000 GKDM 40-1.4M/S4000 GKDM 40-1.5M GKDM 40-1.7M/S4000