Hamilton Son of Mini-Mite Low Profile Dual Wheel Swivel Caster with 3 1/8" x 3" Steel Roller with (2) needle thrust bearings and (2) needle roller bearings on a 3/4" axle.
Bolt Hole 1: 
Bolt Hole 2: 
Bolt Size: 
Caster Rig Type: Kingpinless
Caster Type: Swivel
Color: Battleship Gray
Wheel Color: Clearcoat
Diameter: 3.13
Overall Height: 4.75
Top Plate: 
Top Plate Length: 
Top Plate Width: 
Wheel Face: 3