DS-K4G100 كالون كهربا Electric Strike Lock , Fail-secure and fail-safe selectable Material of latch: US304 stainless steel | Material of plate: wire-drawing on the surface The magnetic lock supports static linear thrust of 800 kg (1764 lb) 100,000 times usage of the electromagnetic coil when powering on Depth of the latch groove: 15 mm Strong suction which protects the door from forced opening when the door is locked Double insulation