Marathon 00210 Universal Fit, Flat Free, Hand Truck All Purpose Utility Tire, 4.10/3.50-4" Product Description Universal Fit Flat Free Hand Truck Tire is made of solid polyurethane foam. No flat tires have the same bounce, feel, cushion, and performance as pneumatic (air-filled) tires. They are also non-marking and will not be affected by Ozone or UV rays. Airless Tires are made of lightweight, solid polyurethane foam and are to never go flat. Tire is 10. 5" in diameter, comes standard with a 2. 25" offset hub and 5/8" Ball Bearings. Includes adapter kit with additional bushings and spacers to fit your equipment - Adapter kit includes the following items: (1) - 1/4" Spacers, (3) - 1/2" Spacers, (2) - 3/4" Ball Bearings (5/8" installed), (1) - 5/8" Axle Cap From the Manufacturer Universal Fit Flat Free Hand Truck Tire is made of solid polyurethane foam. No flat tires have the same bounce, feel, cushion, and performance as pneumatic (air-filled) tires. They are also non-marking and will not be affected by Ozone or UV rays. Airless Tires are made of lightweight, solid polyurethane foam and are guaranteed to never go flat. Tire is 10.5" in diameter, comes standard with a 2.25" offset hub and 5/8" Ball Bearings. Includes adapter kit with additional bushings and spacers to fit your equipment - Adapter kit includes the following items: (1) - 1/4" Spacers, (3) - 1/2" Spacers, (2) - 3/4" Ball Bearings (5/8" installed), (1) - 5/8" Axle Cap Features Fits most hand trucks and other utility equipment. Compatible with nearly every hub length and bearing size for tires measuring 10.5" in diameter (labeled as 4.10/3.50-4") Has the same feel and handling of an air-filled tire, but guaranteed to never go flat Features a load capacity of 250 pounds and a sawtooth tread for the perfect balance of traction and maneuverability Comes with a 2.25" offset hub and bearings for a 5/8" axle pre-installed. Includes an adapter kit to fit hub lengths up to four inches and an axle size of 3/4" Adapter kit features: (1) 1/4" spacers, (3) 1/2" spacers, (2) 3/4" ball bearings, (1) 5/8" axle cap USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.