4" x 2" Heavy Duty "Rubber on Cast Iron" Caster - Rigid
-Top Plate: 3-15/16x4-1/2
-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