Description No other sign holder can attach itself to flush rail like our Magnet Base Holder. Aluminum sign holder utilizes a pair of powerful rare-earth magnets to grip to exposed or flush rail. No more bending or stooping to get a clamp around the rail. Just place the Magnetic Base Holder down on the rail. Holder stands up to a 60 mph wind force against the sign plate face. Sign plate is NOT included. We have a wide variety of OSHA-mandated sign plates to choose from. View OSHA-Mandated Blue Flag Sign Plates View All Compatible Sign Plates Weight: 5 lbs. IMPORTANT: This sign holder is designed to accept 12”x 15” and 15”x 18” Aldon manufactured sign plates with item numbers starting with “6” or “7”. Other sign plates may require additional mounting holes to be installed by the customer. Aldon can install custom mounting holes upon request for an additional charge.
