GRI MM100W Rare Earth Magnet in Case 1/4 .79, White

Keep contacts aligned and alarms accurate with the George Risk Industries MM100W security device magnet. Designed for security and surveillance applications, this compact surface-mount contact magnet uses a rare earth core to deliver a strong, reliable hold in a space-saving 0.25" diameter profile. Housed in a protective white case and offering hybrid installation flexibility, the MM100W minimizes installation time while resisting impact and everyday wear — an ideal choice for door, window and sensor monitoring in offices, retail locations, and critical infrastructure.

The MM100W makes it simple to maintain tight sensor gaps for consistent monitoring and fewer false alarms. Its low-profile form factor and neutral finish provide a discreet appearance that integrates seamlessly with existing hardware. Backed by George Risk Industries manufacturing standards and US origin, this magnet supports long-term system reliability for access control, alarm panels, and surveillance setups. Add the MM100W to your next security install or retrofit to improve sensor performance and reduce maintenance — order now or contact us for bulk and specification support.

• Small, low-profile magnet delivers a powerful hold so door and window contacts stay aligned for reliable security monitoring
• Surface-mount, hybrid installation reduces labor and fits tight spaces for easy integration with existing access control and alarm systems
• Durable rare earth core in a protective case protects the magnet from shock and wear, extending sensor life and reducing maintenance
• Discreet white finish blends with frames and casings for professional, unobtrusive installations in commercial and retail environments
• US-made George Risk Industries quality ensures consistent performance for surveillance, sensor and alarm applications