GRI MMF-875 Rare Earth Magnet, 1/8" 3/8" 7/8", Nickel Plated

Optimize window security and monitoring with the George Risk Industries MMF-875 contact magnet. Built for security professionals and installers, this nickel-plated rare-earth contact magnet delivers reliable sensor alignment and strong magnetic hold in a compact 1/8" x 3/8" x 7/8" profile. The screw-mount form factor makes installs faster and more secure—reducing callbacks and saving labor on each job. Its corrosion-resistant nickel plating stands up to repeated use in surveillance and alarm systems, while the powerful rare-earth magnet ensures consistent contact for dependable monitoring and fewer false alarms. Manufactured in the U.S. and backed by a lifetime warranty, the MMF-875 is ideal for commercial and residential window applications where durability and accuracy matter. Add this George Risk Industries contact magnet to your toolkit to streamline installations and improve the long-term reliability of your security and surveillance systems. Order now to simplify window sensor installs and enhance monitoring performance.

• Speeds window security installs by providing precise, repeatable sensor alignment for faster commissioning and reliable monitoring
• Rare-earth magnet offers strong holding force in a compact 1/8" x 3/8" x 7/8" form factor, ideal for tight frames
• Nickel-plated finish resists corrosion and wear, reducing maintenance in high-use surveillance and security applications
• Screw-mount design ensures stable, tamper-resistant attachment for long-term sensor performance
• Backed by George Risk Industries' lifetime warranty for low total cost of ownership and dependable field performance