Easy Fit Sealant Filled Pneumatic (Air-Filled) 4.00-6 Ribbed Tread Tube-Type Wheelbarrow Tire on Solid Steel Rims; 1.75-inch Centered Hub Length and 5/8-Inch Ball Bearings installed; Includes Adapter Kit to Fit Hub Lengths up to 6-inches; Upgrade your original equipment tires; Replacement for most 12 to 14-inch air-filled and solid tires, including sizes 3.50/2.50-8, 3.25-8, 13x4 and 4.00x6; Also compatible on mower tow behinds, garden carts and wagons that use 12 to 14-inch tires; No need to change a tube or fix a flat, Easy Fit tires include simple two-step installation instructions to get you and your equipment back on the job; Tire includes leak stopping sealant to seal punctures up to 1/8-inch and reduce future flats; The Ribbed tread offers low rolling resistance and exceptional maneuverability on a variety of surfaces and terrains; Air-filled replacement tires are cushioned and comfortable, absorbing vibrations for smooth handling; Axle Diameter (Inches): 5/8-in Hub Diameter (Inches): 0.625 Hub Length (Inches): 1.75 Outside Diameter (Inches): 13.2 Application: Wheelbarrow Bearing Type: Ball-bearing Flat-Free Tire(s): No Material: Rubber Pneumatic: Yes Tread Style: Ribbed Tubeless: No Warranty: 1-year limited Wheel Style: Centered CA Residents: Prop 65 Warning(s): Yes UNSPSC: 21101700