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Specifications:Emergency lock set up instructions:This product is suitable for all types of door panels, thickness of 25MM---45MM, steel wire 1.8 meters long, storage door.Disassembly before installation:1., in the door from the ground 70CM---120CM drill a diameter of 2.4CM round hole, door panel to the outside of the round hole relative place do two 4MM * 5MM anti groove.2. keep the tail of the wire rope, put on the access board from the outside, and press the lock at the entry board.3. press the two nuts throughout the twine rope and screw them on the lock one by one.4. finally, the wire rope is hooked up to the ability failure management of the management motorThis product adopts the copper lock core, the marble cipher is close, the mutual opening fee is awfully low:1. open the package.2. untie the wire rope.3. screw nut.Garage door emergency lockSize : Lock 5 cm length, 2.2 cm in diameterMaterial: zinc alloy base , disguise plate,steel pipe,hose .Surface medication : shiny chrome plating.Suitable for storage door, doorPackage contains1X lock2X key