Hamilton Extended Service Swivel Caster with 4" x 3" DuraGlide-AGV Polyurethane (95A) on Cast Iron Wheel with 3/4" Sealed Precision Ball Bearing
Bolt Hole 1: 3 3/8 x 5 1/4
Bolt Hole 2: 
Bolt Size: 0.5
Caster Rig Type: Integral Forged Kingpin
Caster Type: Swivel
Color: Platinum Powder
Wheel Color: Gray Poly on Black Center
Diameter: 4
Overall Height: 5.88
Top Plate: 4 1/2 x 6 1/2
Top Plate Length: 6.5
Top Plate Width: 4.5
Wheel Face: 3