GRI MM9 1/4" 1/2" Rare Earth Magnet

Deliver dependable contact detection in tight spaces with the George Risk Industries MM9 Security Device Magnet. This rare-earth contact magnet provides strong, consistent attraction in a compact 0.5" length and 0.3" diameter package, making it perfect for door and window monitoring where space is limited. Housed in a rugged M-100 surface-mount case and nickel-plated to resist chipping and corrosion, the MM9 reduces maintenance and extends service life in commercial security and surveillance applications.

The MM9 is designed for fast, hybrid installations; its low-profile surface mount form factor simplifies retrofits and solves challenging window installs that traditional magnets can’t handle. Use it with magnetic reed sensors and other contact sensors to ensure reliable intrusion detection, access monitoring, and perimeter protection. Trusted by installers for time-saving deployment and consistent performance, this George Risk Industries contact magnet integrates smoothly with existing alarm panels and monitoring systems. Add the MM9 to your toolkit to improve reliability and speed up installations — ideal for security contractors, integrators, and facilities managers.

• Compact, high-strength rare-earth magnet for reliable door and window contact monitoring
• Nickel-plated finish resists chipping and corrosion for long-lasting field performance
• Surface-mount form factor (0.5" long, 0.3" diameter) enables quick, low-profile installations
• Ideal for retrofit and problem window installs — saves technician time and labor
• Compatible with standard security sensors and surveillance systems for seamless integration