... quality & low cost 2: heavy load capacity 3: free design Detaile product Descriptions:tool cart, trolley, cart, trolly cart, ... cart1: high quality & low cost2: heavy load capacity3: free design tool cart, trolley, cart, trolly cart, trolly wheels , tool ... . Surface treatment:electro-galvanized, electro-galvanized nickel alloy, hot-dip zinc, electrostatic spray and electrolyte polish (stainless steel).