replacement

Container Lids:  Single wall toughness combined with the double wall regidity of a full perimeter boxed edge.  Eliminates water retention.  Eliminates wavy, warped, bowed, sharp or nickel edges.  The best of both design types.

Casters:  Standard caster wheel is diameter 6″ x 2″ with an iron hub and 1″ thick mold-on rubber tread.