(image for) Caster; Swivel; 8" x 2"; PolyU on PolyO (Usu Red or Blue); Plate (4"x4-1/2"; holes: 2-5/8"x3-5/8" slotted to 3"x3"; 3/8" bolt); Roller Brng; 800#; Tread brake (Item #66017) - Click Image to Close