Mobile Climbing Platform Ladder with Wheels, For Warehouses and Supermarkets - E Product Video: https://youtube.com/shorts/1RzL0N-PdAw?si=6mXcNzdEATLAZY1J Brand: YouSu Materials: Strengthed Cold Rolled Steel, Plastics Stable, Safe, Reliable and Durable Expected Useful Life: Over 15 Years Maximum Loading: 550 KG Wheels with Safety Locks 4.5 Meter Weight: About 210 KG Please see the pictures. Product Quality and Safety Approved by the China Government. The listed price does not include any countries import tariffs (if any) Delivered by Sea. Please allow about 2 months to arrive your address.