40*30-1 set (punching installation) No support rod under the panel
60*30-1 set (punching installation) No support rod under the panel
80*30-1 set (punching installation) Add 1 support rod under the panel
100*30-1 set (punching installation) Add 1 support rod under the panel
120*30-1 set (punching installation) Add 2 support rods under the panel