GKZS4,GKZ KEYS UP-DOWN ADJ KEY
GKZS6,KEY STRAIGHT KEY FOR GKS SERIES
GKZS7,KEY 90DEG KEY FOR GKS SERIES
GKZS8,GKZ KEYS LEFT-RIGHT ADJ KEY
GKZS9,KEY MULTIDIRECTION GKS SERIES
GKZSA024V,基本/快动/限制开关 SAFETY
GKZSA110V,基本/快动/限制开关 SAFETY
GKZSA230V,基本/快动/限制开关 SAFETY