Uploaded July 2026 | Updated September 2026, 2 weeks ago

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Thinking about installing a Metlam 200 Series Indicator Bolt? In this video I unbox the Metlam L547/L548 Surface Mount Indicator Bolt and explain exactly what you get, the different sizes available, where it can be used, and why it's one of the most popular toilet partition locks for commercial buildings.

https://www.drlock.com.au/store/metlam-indicator-bolt-series-200-sc-s-mount

I'll show you the features of this traditional vacant/engaged indicator bolt, explain the emergency release function, discuss door thickness compatibility, and help you decide whether it's the right lock for your project.

Whether you're a locksmith, builder, maintenance contractor, school, shopping centre, office fit-out company or simply replacing an existing toilet indicator lock, this video will help you understand the product before you buy.

In this video:
Unboxing the Metlam 200 Series Indicator Bolt
Features and specifications
Available sizes and models
Vacant / Engaged indicator explained
Emergency release function
Surface mount installation
Where these locks are commonly used
Buying advice from a professional locksmith

The Metlam 200 Series features a traditional surface-mounted design with a Vacant/Engaged indicator, external emergency coin release, satin chrome finish, and suits doors approximately 13–40 mm thick.



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