Hamilton Ultra Maxi-Duty Swivel Caster with 28" x 12" Press-on Polyurethane Wheel with 2" Precision Tapered Roller Bearing
Bolt Hole 1: 12 x 12
Bolt Hole 2: 
Bolt Size: 0.75
Caster Rig Type: Integral Forged Kingpin
Caster Type: Swivel
Color: Platinum Enamel
Wheel Color: Thick Red Tread on Unpainted Cast Iron Center
Diameter: 28
Overall Height: 33.63
Top Plate: 14 x 14
Top Plate Length: 14
Top Plate Width: 14
Wheel Face: 12