Hamilton Ergo-X2 Swivel Caster with 4" x 2" Ergo-Tech™ (87A) on Aluminum with 1/2" Sealed Precision Ball Bearings
Bolt Hole 1: 3 3/8 x 5 1/4
Bolt Hole 2: 2 7/16 x 4 15/16
Bolt Size: 0.5
Caster Rig Type: Kingpinless
Caster Type: Swivel
Color: Crimson Powder
Wheel Color: Orange Tread on Alum Center
Diameter: 4
Overall Height: 5.63
Top Plate: 4 1/2 x 6 1/2
Top Plate Length: 6.5
Top Plate Width: 4.5
Wheel Face: 2