Hamilton Cush-N-Flex Swivel Caster with 12" x 2 3/4" Super-Flex™ Rubber (60A) on Aluminum Wheel with 1" Straight Roller Bearing
Bolt Hole 1: 4 1/8 x 6 1/8
Bolt Hole 2: 
Bolt Size: 0.5
Caster Rig Type: Integral Forged Kingpin
Caster Type: Swivel
Color: Crimson Powder
Wheel Color: Thick Black Rubber on Alum Center
Diameter: 12
Overall Height: 14.5
Top Plate: 6 1/8 x 7 1/2
Top Plate Length: 7.5
Top Plate Width: 6.13
Wheel Face: 2.75