Hamilton Zinc Plated Cush-N-Aire Rigid Caster with 8" Pneumatic Air-Filled Tire with 3/4" Straight Roller Bearing
Bolt Hole 1: 3 3/8 x 5 1/4 slotted to 2 7/16 x 4 15/16
Bolt Hole 2: 
Bolt Size: 0.5
Caster Rig Type: Weldment
Caster Type: Rigid
Color: Bright Zinc Plated
Wheel Color: Black Tire on White Rim
Diameter: 8
Overall Height: 10.63
Top Plate: 5 1/2 x 7 1/2
Top Plate Length: 6.5
Top Plate Width: 4.5
Wheel Face: 5.75