Wheel Type: Poly on Poly (Pro-Tech Polyurethane)
Wheel Diameter: 4″
Tread Width: 2″
Wheel Bearing: Ball Bearing
Load Capacity: 700
Overall Height: 4 5/8″
Top Plate Size: 4″ x 4-1/2″
Bolt Holes: 2-5/8″ x 3-5/8″ slotted to 3″ x 3″
Finish: Zinc Plated