See All Our Indoor Spiral Staircases From Below Link
https://www.ebay.com.au/str/latesttechnologiesfromeurope/Spiral-Stairs/_i.html?store_cat=43729439011
Indoor Spiral Staircase Kit
Solid Beech Wood Step & Plastic Handrail
Many Colors Available
Diameter 1200mm For Floor Height up to 2880mm
Other Height upto 6480mm Available on Request
Diameter 1050mm, 1400mm, 1600mm or 1800mm Available