RGL Electronics ML1200-D-MDS Double Monitored Magnet Offering 1200 lbs 545 kg x 2 Holding Force RGL Electronics ML1200-D-MDS Double Monitored Magnet Offering 1200 lbs 545 kg x 2 Holding ForceThe ML1200-D-MDS is a Double Monitored Magnet which off... From Acorn Fire & Security £ 162.98