Constructed from cast aluminum, our 24in Extruded Aluminum Stop Sign Frame has a very distinctive look and is strong enough to meet your needs, whether you require it for your personal business or your signage company. This particular stop sign frame is intended for mounting on top of a 2 3/8" dia. round or 1.5" to 6" square pole. All of our street sign frames are available in either a natural silver finish or a black powder coating. Both of these finishes are resilient against adverse weather conditions. Before ordering, please call or email us for volume discounts and current product availability.