Red Universal door latch magnet — 50-lb. pull. Powerful latch magnet set in a durable nylon casing with four elongated holes allows multidirectional and adjustable mounting. Comes with 1/8in. thick steel strike plate with countersunk holes which can be mounted to a door frame to create a secure magnetic closure. Under normal use, permanent magnetism guaranteed. NOTE: Pounds pull is rated by a vertical test on 3/8in. thick ground steel plate. Pounds pull rating will be reduced if the item you wish to lift is thinner, painted, or an uneven surface. Pulling Power (lbs.): 50, Application: Door latch