Duel wheel swivel caster

Part Number: SCY103-A84L-URHx2-TB Dual Wheel Swivel Caster Dual Wheel 10" x 3" Heavy Duty Moldon Urethane Wheels. Top Plate: 8-1/2" x 8-1/2" Bolt Hole Spacing: 7" x 7" Attachment Bolt: 5/8" Overall Height: 13-1/2" Swivel Radius: 8-3/16 Capacity: 8,800 lbs.