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Retrofit Smart Lock: Upgrade an Old Aluminum Shop Door Without Drilling

Retrofit smart lock SK-K7 for thermal break aluminum shop glass doors with fingerprint PIN and TTlock app

Most shop owners who want a smart lock assume they need to replace the whole door, drill new holes, or hire a locksmith for a day. A retrofit smart lock changes that equation: it bolts onto the existing mortise lock body, uses the same hole pattern, and turns a tired mechanical shop door into a […]

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