Signamax CMK-BL-BK Blank Keystone Module, Black

Keep your security, surveillance and network installations neat and protected with the Signamax Blank Keystone Module (CMK-BL-BK). This black blank insert is designed to cover unused keystone openings on faceplates and surface mount boxes, improving the aesthetic of partially populated panels while preventing dust, accidental cable contact and stray light that can affect monitoring and camera runs. Made from durable thermoplastic with fire-retardant properties, the module meets routine safety needs of low-voltage and IT environments. The CMK-BL-BK snaps into all keystone standard openings for fast, tool-free installation and is sold in packs of 10 to streamline deployment across multiple rooms or job sites. Ideal for network closets, CCTV racks, access control panels and structured cabling projects, these blanks help maintain a professional appearance and reduce the risk of damage or tampering. Add these economical, easy-to-install keystone blank inserts to your installation kit to protect ports and simplify inventory management. Order a pack of 10 today to finish your next security, surveillance or networking installation with a clean, compliant result.

• Keeps unused keystone ports sealed for a clean, professional appearance
• Protects openings from dust, debris and accidental contact in security and IT racks
• Fire-retardant thermoplastic construction for safe low-voltage installations
• Universal fit for all keystone standard openings on faceplates and surface mount boxes
• Sold in convenient packs of 10 to standardize multiple installations