Hamilton Spinfinity Maxi-Duty Swivel Caster with 18" x 9" Black Rubber Presson Wheel with 2" Sealed Precision Ball Bearings
Bolt Hole 1: 
Bolt Hole 2: 
Bolt Size: 0.63
Caster Rig Type: Kingpinless
Caster Type: Swivel
Color: Crimson Powder
Wheel Color: Black Rubber on CNC-Machined 1045 Blank
Diameter: 18
Overall Height: 21.75
Top Plate: 8 1/2 x 8 1/2
Top Plate Length: 8.5
Top Plate Width: 8.5
Wheel Face: 9