Hamilton Extra Heavy Duty Rigid Caster with 5" x 1 11/16" Double Flange Track Wheel with 1" Straight Roller Bearing
Bolt Hole 1: 4 1/8 x 6 1/8
Bolt Hole 2: 
Bolt Size: 0.5
Caster Rig Type: Weldment
Caster Type: Rigid
Color: Crimson Powder
Wheel Color: Clearcoat
Diameter: 5
Overall Height: 8
Top Plate: 5 1/2 x 7 1/2
Top Plate Length: 7.5
Top Plate Width: 5.5
Wheel Face: 3