THE PERFECT REPLACEMENTS: AR-PRO offers the perfect solid rubber replacement tires for a vehicle with about 7.8” tires that are about 2.13’’ wide (This is everything you need to replace your dolly’s wheels) like lawnmowers, hand trucks, wheelbarrows, yard trailers, dollies, trolleys, wagons, snow blowers, pressure washers, air compressors, generators, go-carts, wood chippers and more – guaranteed fit! MADE HEAVY DUTY FROM QUALITY MATERIALS: Our tires and are made from premium steel and 100% natural rubbers, it’s our job to make dependable and durable tires and we do it right! Count on AR-PRO! SAFETY FIRST IS OUR MOTTO: We designed this to be explosion-proof. When and if punctured, it immediately creates an airtight seal to prevent damage, destruction, and injury to the rider. Safe in any season or weather condition. ADDS COMFORT TO YOUR RIDE: With thick rubber that absorbs shocks (4X thicker than other brands), you won’t feel the bumps and hollows because the vehicle will glide along, protecting one from the force. Now that’s comfortable. U.S BASED CUSTOMER SERVICE