Page 69 of the Rice Signs 2017 Traffic Safety Catalog covers Sign Installation Accessories — primarily portable Sign Post Bases that hold a sign post in place without permanent ground anchoring. The H-238-C Cast Iron Wheeled Sign Base with Post is a heavy decorative cast iron base with caster wheels for moving full sign assemblies around parking lots and event venues. Lightweight Sign Post Bases (H-175-P, H-200-P, H-245, H-246u, H-400, H-405, H-410) provide ballast for U-channel, square, and round posts in temporary deployment scenarios — they include cast iron, polypropylene-with-sand-fill, and recycled rubber materials at various weights, with options for portable parking-lot signage, special events, and short-duration sign placement.