4" x 2" Heavy Duty "Rubber on Cast Iron" Caster - 4 Swivels
-Top Plate : 3-15/16" x 4-1/2"
-Bolt Hole Spacing: 2-5/8" x 3-5/8" to 3" x 3"
-Attaching Bolt Size: 3/8"
-Diameter: 4"
-Tread Width: 2"
-Load Cap: 350 lbs / ea
-Overall Height: 5-5/8"
-Rubber on Cast Iron