(image for) Caster; Swivel; 4" x 2; PolyU on PolyO (Blue); Top Plate; 4x4-1/2; hole spacing: 2-5/8x3-5/8 (slotted to 3x3); 3/8 bolt; Zinc; Sealed Prec BB; 700#; Total Lock (Item #66149) - Click Image to Close