What materials are these tether cables made of?

The tether cables are made of steel.

What is included in the package?

The package includes 5 steel cable tethers, 10 aluminum ferrules, and 10 heat shrink tubing.

Yes, these security tether cables can be cut to a specific length using wire cutters.

Yes, these cables can be used in public areas such as lobbies or waiting rooms.

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StarTech.com CONNLOCKPK5 Security Tether Cable - 5 Pack Universal Steel Anti-Theft Cables - Adjustable - Heat Shrink Covers (CONNLOCKPK5)

Secure your cables and adapters to help protect against theft or loss with these security tether cables
5 pack of universal cable tethers made of strong steel
Convenient length 11.8" / 300 mm
Anti-theft cable tethers secure cables and adapters in boardrooms and workstations or lobbies and public areas
Keep the right adapters or cables attached to equipment in meeting rooms or classrooms and lecture halls
Easy to install with crimping tool (not included)
Black heat shrink covers