Mount signs on paved areas without digging! Recycled Rubber: Our 60 lb. rubber U-Channel post base is 18"x18"x5¼". This heavy base can withstand high winds, making it ideal for use indoors and out. Use included hardware to attach to 4' post. Sturdy Aluminum: This 14½" diameter 6.50 lb. aluminum base is also great for temporary use. 4' post mounts to the stub extending from the sign base for easy post replacement. Includes hardware to attach base to post. porucposbas Portable Rubber Base C25360$202.10 Portable Aluminum Base 39120$155.00 4' Galvanized Steel Post 39071$28.50 4' Green Baked Enamel Post 39074$23.40 All in-stock orders placed by 6:00 p.m. EST ship out the same day! Don't see what you are looking for? Need help placing your order? Call our helpful Customer Service Representatives Monday - Friday 7:00 a.m. - 9:00 p.m. EST at 1-800-521-7000, fax us 24 hours a day at 1-800-336-3707 or e-mail us at teamca@champion-america.com