Hamilton 6 x 3 HD Rigid Caster 2200 lb. Polyurethane 5 x 7 Plate 8 High

  

4 used Hamilton HD Rigid Casters as pictured -- 8 Overall Height. Wheels: 6"(D) x 3"(W) Polyurethane. Mounting Plate: 5" x 7". Bolt Pattern: 5-1/4" x 3-1/4" Slotted. Some wheels have nail indents (see pics).