(image for) Caster; Rigid; 4x1-1/2; PolyU (Gr) on Alum; Top Plate (4x4-1/2; holes: 2-5/8x3-5/8 slotted to 3x3; 3/8 bolt); Zinc; Roller Brng; 600# (Item #67171) - Click Image to Close