TIRE SPECIFICATION: Tire and wheel mode: 4.10/3.50-4; Tire diameter: 10 inch; Tire width: 3.15 inch; Axle bore hole diameter: 5/8-inch; Offset hub length: 2.2 inch; Rim diameter: 4.52 inch.Before purchasing, please check the tire size, hub length and axle,SOLID TIRE ADVANTAGE: The solid airless tire without inner tube, which has the features of good wear-resistance, puncture proof, no inflation, and rot resistance. Suitable for all-terrain use. No flat tire worries forever (NOT FOR HIGHWAY USE),HIGH-QUALITY MATERIAL AND ONE PIECE WELDED RIM : The solid tires are made of high-quality PU. The rims are made of premium steel and precision ball bearings. Rim are high-strength one-piece welded rim. More sturdy and more durable, ensure longer service life,APPLICABLE MODELS: The 10" solid wheels are suitable for a variety of applications such as hand truck, wheelbarrow, dolly, gorilla cart, wagon, small trailer, air compressor, yard cart, dump cart, lawn mower, utility cart, pressure washer,go kart and more,CUSTOMER SERVICE: High-quality 4.10/3.50-4 flat free tires save you time and money. If you have any questions, please contact us and we will respond to your questions within 24 hours