1. Thread stem caster yoke & 5" TPU wheel, with 2 precision bearings.
2. Suit for shopping trolley & food equipments.
1. Thread stem: 1/2" x 13 thread. 2. Double ball raceway fork w / heat treated. 3. Zinc plated. 4. 5" x 1-1/4" TPU wheel w/ two precision bearings.