(image for) Caster; Swivel; 3" x 1"; PolyU on PolyO (Gray); Plate; 2-3/4"x3-3/4"; holes: 1-3/4"x2-7/8" (slotted to 3"); 5/16" bolt; Zinc; Plain bore; 175#; Tread Brake (Item #66969) - Click Image to Close