Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 12" x 4" Duralast® Polyurethane (95A) on Cast Iron Wheel with 1 1/4" Precision Tapered Roller Bearings
Bolt Hole 1: 
Bolt Hole 2: 0 x 0
Bolt Size: 0.63
Caster Rig Type: Integral Forged Kingpin
Caster Type: Swivel
Color: Platinum Powder
Wheel Color: Green Poly on Gray Center
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