MARTIN Wheel Flat-Free Hand Truck Wheel, Specifications: 5/8 in Bearing, 410/350-4 Tire, Sawtooth Tread, 10 in Dia Tire, 4 in Dia Rim, 2-1/4 in Hub Length, Ball Bearing, 300 lb Max Load, Polyurethane/Steel, White, Dimensions: 10 in H x 4 in W x 10 in D