1.Casted by zinc alloy of high quality, a delicate structure, good performance and operation experience.
2.Designed with no key,it is easy for indoor lock, and outdoor opening when necessary is allowed. The security is ensured,and it is easy to use.
3.Surface treated with special oil sealing, lasting color, anti-dust and anti-corrosion
4.Suitable for door thickness of no less than 35mm
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