Magnetic Sign Backer

Magnetic sign backer for temporary installation on any steel surface. Welded steel frame with magnet in back, and grab handles in front. Bolt any 12-inch by 15-inch sign plate to frame. Attach to end of rail cars, couplers, posts, or building walls. Magnet resists gale-force winds. Weight: 4 pounds. Sign plate not included. Product of Aldon® Company.