Are there any locks on the market that require two keys to open?

Yes. A security lock that can only be opened with two keys. A security lock that can only be opened with two keys. It consists of a shell, an upper cover, a lock piece, a lock pin, a torsion spring, a key, etc. Its characteristics are: it consists of two parts with the same appearance, and the inner holes are made of different diameters and It consists of a locking plate group composed of different circle centers and curved surfaces, as well as two front and rear locking plate seats. Inventor (designer): Meng Xiancai. Address: No. 19, Shijia Hutong, Qianwai, Xuanwu District, Beijing

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