(image for) Caster; Swivel; 4" x 1-1/2"; Polyolefin LD; Plate (4"x4-1/2"; holes: 2-5/8"x3-5/8" slots to 3"x3"; 3/8" bolt); Zinc; Roller Brng; 400#; Tread brake (Item #66195) - Click Image to Close