NK WSEPN-10 Heavy Duty Semi Pneumatic Solid Rubber Flat Free Tubeless Hand Truck/Utility Tire, 2-1/4" Offset Hub, 5/8" Ball Bearing (Qty: 1) Flat-Free, Care-Free, Tubeless -Made of Solid Hard Rubber Polypropylene Core Size: 10"x2.5" 2-1/4 Offset Hub, 5/8 Ball Bearing 350 LBS Load Capacity per wheel