(image for) Caster; Swivel; 8" x 2"; Thermoplastized Rubber (Gray); Plate (4"x4-1/2"; holes: 2-5/8"x3-5/8" slotted to 3"x3"; 3/8" bolt); Roller Brng; 600#; Tread Brake (Item #66010) - Click Image to Close