(image for) Caster; Swivel; 3" x 1-1/4"; PolyU on PolyO (Blue); Top Plate (3-1/8"x4-1/8"; holes: 2-3/8"x3-3/8"; 5/16" bolt); Zinc; Ball Brng; 250#; Tread brake (Item #64627) - Click Image to Close