This industrial caster is ideal for both indoor and outdoor applications where product protection is required. Pneumatic wheels offer maximum floor protection and move freely over obstructions and rough floors. The wheels provide smooth, shock-resistant operation for delicate instruments and breakable components. Cold forged top plate, yoke and button are heat treated for added service life. All swivel sections are equipped with a lubrication fitting for field maintenance. Ball bearings provide maximum rolling ease and quiet operation for medium to heavy duty loads.