(image for) Caster; Swivel; 5" x 2"; Conductive Donut Polyu On Alum ; Plate (4"x4-1/2"; holes: 2-5/8"x3-5/8" slots to 3"x3"; 3/8" bolt); Zinc; Prec BB; 540#; ESD (Item #62875) - Click Image to Close