About Us SEUNMUK has been dedicated to producing and designing hand truck replacement wheels and various other related products. Our primary goal is to provide you with better products and the best customer satisfaction. We try our best to provide practical and economical products to make you enjoy the pleasant shopping experience. Why Choosing SEHOI? Heavy duty ball bearings can help reduce friction and support heavy loads. In addition, obvious ribbed patterns of wheel can increase traction and adhesion. It is a rubber tire with a 4" rim, 5/8" axle, a centered hub, and a tire width between 1.50 inches and 2.10 inches. Don't hesitate to replace your worn-out old wheels! The hand truck wheels are made from high-quality rubber and iron material, which is sturdy, wear-resistant and shock-resistant. It can provide excellent hardness and long service life. These solid rubber hand truck wheels are suitable for dollies, trolleys, hand trucks, lawnmowers, wheelbarrows, yard trailers, wagons, snow blowers, pressure washers, air compressors, and other utility equipment. Product Details Material : Rubber and Iron Size : Outer Diameter of Wheel : 10 inches Width of Wheel : 1.8 inch Diameter of Axle Hole : 0.63 inch (16 mm) Color : Black and Gray Packing Includes Hand Truck Replacement Wheel x2