Stainless steel spiral stair Clockwise or anticlockwise winding direction can be choosen. Fit into residential house, office, ease installation instruction supplied, graceful, economical and space-saving. Modular Step: 1. A carbon steel tubular column, with decorative base cover, matching the floor height. Packing: bubble bag+craft paper. Color for column:2. Adjustable riser kit, ranging from 200mm to 220mm. Packing: carton.3. Riser supporting tube or pipe, diameter:28mm, between treads, with fittings.4. Stainless steel baluster, item no. YG-011Q, height: 850mm, Packing: carton.5. 38mm stainless steel, with end cap. 6m/pc, packing: in bubble bag+craft paper. Handrail end cap Handrail end cap (to wall) 6. PVC handrail is also availble for this stair. Diameter: 38mm. Packing: 6M/PC, in bubble bag+craft paper. Color for PVC handrail: 7. 4pcs of dia.8mm horizontal tube or pipe with end caps. 6m/pc, Packing: in bubble bag+craft paper. 8. Solid rubber wood tread, semidiameter:800mm, thickness:38mm. Color for tread: Landing:1. Top of tubular column, with decorative cover. Packing: buble bag+craft paper.2. Adjustable riser kit, ranging from 200mm to 220mm. Packing:carton. 3. Riser supporting tube or pipe, diameter:28mm, between treads, with fittings. Packing: carton. 4. Stainless steel baluster, 1pc,item no. YG-011Q, height: 850mm, Packing: carton. 5. Solid rubber wood tread, triangular shape, thickness:38mm, with two brackets. Packing: wooden case. Terms: 1. We can do custom-made. Please tell us your requests and we will try our best to meet them. 2. Quote: The price depends on the quantity you order. FOB, EXW or CFR price, as per your requirement. We will be pleased to received your inquiry and quote you as soon as possible. 3. Payment: T/T. If the quantity is large, please pay 30% deposit before production. Otherwise, full payment before production. 4. MOQ: We are manufacturer. So any quantity is OK for us. But if the quantity is too small, the price will be EXW instead of FOB. 5. Delivery time: It depends on the quantity. Usually, it takes 35 to 40 days. Our company isone of the most professional factories manufacturing railings, balustrades and staircases. And our series products have been obtained Chinese Well-known Brand. Thanks for your concern and looking forward to your inquiry!