No Flat 250mm x 19mm Trolley Wheel Ready to use/ no downtime! Contractor grade with knobby tread. Grey for UV resistance & minimal marking. Mounted on a steel rim, 19mm bore to suit hand trucks, carts & utility equipment. Markings 4.10" (tyre width)/ 3.50 (tyre edge to rim)-4" (rim diameter) 100kg max load