Source google image: https://guide.alibaba.com/image/i3/yu-ting-thick-2-m-stainless-steel-railings-a-noodle-cordon-fence-railings-isolation-with-telescopic-belt-auto/T1HcZhFIxdXXXXXXXX_!!0-item_pic.jpg
Isolation 320mm
Source google image: https://guide.alibaba.com/image/i3/yu-ting-thick-2-m-stainless-steel-railings-a-noodle-cordon-fence-railings-isolation-with-telescopic-belt-auto/T1HcZhFIxdXXXXXXXX_!!0-item_pic.jpg