rope post, queue post, queue barrier, stanchions ball head with 51mm diameter pole cast iron base, stackable for placing rope post, queue post, queue barrierstackable stanchion LG-18-CQ 1 material: 201# stainless steel2 total height: 910mm pole height: 900mm base height: 10mm3 base: diameter 360mm, cast iron, can be stackable4 pole: 51mm diameter5 finishing: polish shiny