Hamilton Maxi-Duty Dual-Wheel Swivel Caster with 12" x 4" Nylast™ High Performance Cast Nylon Wheel with 1-1/2" Sealed Precision Ball Bearings
Bolt Hole 1: 
Bolt Hole 2: 
Bolt Size: 0.63
Caster Rig Type: Integral Forged Kingpin
Caster Type: Swivel
Color: Platinum Powder
Wheel Color: Charcoal Gray
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