(image for) Caster; Swivel; 6" x 1-1/4"; PolyU on PolyO (Gray); Top Plate (2-1/2x3-5/8; holes: 1-3/4x2-7/8 slotted to 3; 5/16 bolt); Zinc; Ball Brng; 325#; Tread brake (Item #66547) - Click Image to Close