Scaffold Material: B Type 475 Pitch Peace Giken *This is a Shinwa B type compatible product. Please note that this product is not compatible with Type A type. *This product is 475 pitch. Alpha Steel Stairs: HH2 Model Number: HH2-19 Specifications: 8 Tiers Weight: 39.8 lbs (19.8 kg) *Limited shipping product by corporation. If you purchase a person, it will be the nearest office of the shipping company.