Model Number: RIB13UBC - W8MH3CTZ58PBB Brand Name: carefree Key Specifications/Special Features: Can manufacture PU foamed and PU filled tiresMainly used on hand truck, wheelbarrow, lawn mower, wheelchair and other mobility equipmentCalled as care-free, flat-free, air-free, never flat tires and puncture-proof tires TreadDesign Ribbed WheelWidth 3.15" (80.01mm) OuterDiameter 13.04" (331.4mm) Color Black Type PU foamed LoadRating 450lbs Wheel 8" steel rim (one piece) Hub 3" Bearing 5/8" Item Number PUL-F59