AR-PRO 6 X 1.5 FLAT FREE SOLID RUBBER WHEEL ASSEMBLIES - These sets of flat-free wheel assemblies have nominal dimensions of 6 inches (outer diameter) and 1.5 inches (width). The actual dimensions are 6 inches outer diameter, 1.43 inches overall width, and 1.02 inches tread width. REPLACEMENT HAND TRUCK WHEELS WITH BALL BEARINGS AND 0.5 BOREHOLE DIAMETER - These wheel assemblies come in different sizes, but these 6-inch tires and wheels are one of the most common sizes for hand trucks, trolleys, dollies, and wheeled garden equipment. The set fits with a 0.5-inch axle shaft that requires a centered hub. Double-sealed bearings allow for minimal rotation friction for better maneuverability, especially hand trucks and garden carts. HEAVY-DUTY SOLID RUBBER WHEELS WITH 132 LBS LOAD CAPACITY - Convenient and maintenance-free, these flat-free solid rubber tires and wheel assemblies are made from 100% solid layered rubber with premium steel wheels. Theyre designed for heavy-duty use wi