{"product_id":"rintal-exterior-zink-extra-step-kit","title":"Rintal Exterior Zink Extra Step Kit for Outdoor Spiral Staircase","description":"\u003cp\u003eAdds one galvanized step with vertical metal tube balusters (no handrail) to a Rintal Exterior Zink spiral staircase kit, for floor-to-floor heights above the 13-step range. Up to three extra steps take the stair to 16 steps and 12' ⅞\"; a center post extension is required above 10' 5⅝\". Sold separately from the stair kit; order in the same diameter and finish.\u003c\/p\u003e","brand":"Rintal","offers":[{"title":"47\" \/ Galvanized","offer_id":67822985412912,"sku":"EZ120SS01ZT2XXX","price":292.0,"currency_code":"USD","in_stock":true},{"title":"47\" \/ Black","offer_id":67822985445680,"sku":"EZ120SS01BT2XXX","price":412.0,"currency_code":"USD","in_stock":true},{"title":"47\" \/ White","offer_id":67822985478448,"sku":"EZ120SS01JT2XXX","price":412.0,"currency_code":"USD","in_stock":true},{"title":"55\" \/ Galvanized","offer_id":67822985511216,"sku":"EZ140SS01ZT2XXX","price":311.0,"currency_code":"USD","in_stock":true},{"title":"55\" \/ Black","offer_id":67822985543984,"sku":"EZ140SS01BT2XXX","price":431.0,"currency_code":"USD","in_stock":true},{"title":"55\" \/ White","offer_id":67822985576752,"sku":"EZ140SS01JT2XXX","price":431.0,"currency_code":"USD","in_stock":true},{"title":"63\" \/ Galvanized","offer_id":67822985609520,"sku":"EZ160SS01ZT2XXX","price":337.0,"currency_code":"USD","in_stock":true},{"title":"63\" \/ Black","offer_id":67822985642288,"sku":"EZ160SS01BT2XXX","price":458.0,"currency_code":"USD","in_stock":true},{"title":"63\" \/ White","offer_id":67822985675056,"sku":"EZ160SS01JT2XXX","price":458.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/8337\/1312\/files\/Rintal_Exterior_Zink_Extra_Step_Kit_Galvanized_Tread_And_Balusters_Diagram.jpg?v=1790030659","url":"https:\/\/inventivegarage.com\/products\/rintal-exterior-zink-extra-step-kit","provider":"Inventive Garage \u0026 Workshop","version":"1.0","type":"link"}