4" x 1-1/4" Rigid Caster with Non-Marking Wheel
Non-Marking Rubber on Polyolefin wheel - gray on gray
Ball bearing in wheel
5-3/16" Mounting Height
4" x 4-1/2" Plate 2-5/8" x 3-5/8" to 3" x 3 Bolt Pattern 3/8" Mounting Bolt Diameter Zinc plated finish260lbs capacity