Safco Products 2074SL Impromptu Mobile Training Table Post-Leg Base 28"H (Top sold separately), Silver. Impromptu fixed leg 28"H table base. Full length polycarbonate modesty panel. 1 1/4" steel (12 gauge) tubular Impromptu table base, mobile on four dual casters, two locking. For use with Impromptu 60" Rectangle Table Top Models 2066CY, 2066GR or 72" Rectangle Table Top Models 2067CY, 2067GR, sold separately. Complements entire Impromptu line of products.