Features: 1. Double anti-theft, double fixed, durable, moisture-proof, anti-corrosion 2. Good casting performance, smooth surface, good mechanical properties and wear resistance at room temperature 3. The porous position is fixed, no matter whether it is left in the correct and correct installation, high safety performance 4. Exquisite drawing process, outstanding grade 5. Humanized design knob for protection and upgrade Revolving door lock: Material: stainless steel Color: silver Size: 35x50mm/1.37x1.96in Tip: You need to use oil for lubrication when you first use it, so that it will not be difficult to open or close Anti-theft chain lock: Material: Stainless steel Color: silver Size: 9.6 x 2cm/3.7 x 0.78in Package Contents: 2 knob door locks, 1 anti-theft chain lock
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