Material: carbon steel 2. Keel: carbon steel 3. step support: carbon steel 4. step: solid wood 5. handrail: stainless steel 6. baluster: carbon steel 7. Service: project plan, installation guide, and logistics service available,prompt delivery and after-sale service. 8. Packing: carton/woven bag/wooden cases 9. Customized products are available. 10. Sample policy: Sample is available. Buyer is responsible for paying sample and shipping costs, which will be deducted from first order.