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"