3" x 1-1/4" Polyurethane Wheel Casters (A2) - 2 Swivels & 2 Swivels with Brake

-Wheel Dia : 3"

-Tread Width: 1-1/4"

-Axle Diameter: 3/8" 

-Top Plate Size: 3-1/8 x 4-1/8 (A2)

-Bolt Hole Spacing: 1-3/4 x 2-15/16 to 2-3/8 x 3-3/8

-Load Cap: 220 lbs / ea

-Overall Height: 4-1/4"