GRI MF-875 Alnico Bare Magnet, 1/8" 3/8" 7/8" with Black Tape and Polarity End Painted

Optimize sensor reliability in security and surveillance installations with the George Risk Industries MF-875 Alnico contact magnet. This contact magnet is designed to simplify alignment and reduce troubleshooting: pole ends are painted for instant polarity identification toward the switch, helping technicians achieve precise actuation on first pass. At a compact 1/8" x 3/8" x 7/8", the MF-875 fits tight door and window frames and mounts easily as a surface-mount component. Included black tape provides a durable, low-profile mounting option for retrofit and new-build projects. Manufactured in the USA, this magnetic contact magnet delivers consistent Alnico performance for dependable monitoring and alarm trigger accuracy. Ideal for door/window sensor applications, access control points, and general-purpose magnetic contact use, the MF-875 helps maintain system integrity while reducing installation time. Add the MF-875 to your next security or surveillance project to improve sensor alignment and reliability—order today to streamline installations and enhance monitoring performance.

• Clear polarity marking reduces installation errors and speeds alignment with contact switches
• Compact 1/8" x 3/8" x 7/8" profile fits tight door and window frames for discreet security installs
• Durable black tape included for secure surface-mount placement and fast retrofit applications
• Consistent Alnico magnetic performance ensures reliable sensor actuation for monitoring and surveillance systems
• Made in USA quality for dependable, long-term use in commercial and residential security projects