Hamilton Enhanced Maxi-Duty Swivel Caster with Dual 12" x 4" Forged Steel Wheels with 1 1/2" Precision Tapered Roller Bearing
Bolt Hole 1: 7 x 7
Bolt Hole 2: 
Bolt Size: 0.75
Caster Rig Type: Integral Forged Kingpin
Caster Type: Swivel
Color: Crimson Enamel
Wheel Color: Clearcoat
Diameter: 12
Overall Height: 15.5
Top Plate: 8 1/2 x 8 1/2
Top Plate Length: 8.5
Top Plate Width: 8.5
Wheel Face: 4