QWORK Capacity: Each wheel can support up to 200 lbs, but the combined load capacity for all four wheels is also 200 lbs. The weight capacity does not accumulate with additional wheels. Sturdy Steel Construction: Solid stamped steel construction provides top of the line durability. Steel body composition with just the right engineered lines to maintain rigidity under load. Gushioned Support and Quiet Move: Foam discs offer furniture protection, and the low-noise design ensures quiet move. Sturdy Swivel Action: durable polyolefin wheels with steel bearings. Swivel casters roll smoothly with heavy loads. Easy to use: Great for move bulky and heavy loads in the home, shop or garage. UPC 795973612113 ASIN B0CB5ZXZ68 Color Silver Brand Name QWORK Style Name Modern Unit Count 8.0 Count Wheel Type Polyolefin Manufacturer QWORK Model Number WD15024 Load Capacity 2E+2 Pounds Material Type Alloy Steel Number of Wheels 3 Included Components Steel Tri-Dolly Caster Wheel Diameter 6 Inches Manufacturer Part Number WD15024