Smartkeeper
Smartkeeper UL03P2BK USB Type-A Interface Blocker with Key - Black (100 Pack)
Secure your devices and data with these robust, keyed USB Type-A blockers. Each pack includes 100 black plastic blocks that install easily for quick port locking and unlocking by authorized users only. Ideal for workplaces, schools, and healthcare settings to prevent data leaks and ensure compliance.
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Updated on May 22, 2026
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