GRI M-180 Magnet in Case, 3/4" Diameter, Steel Door, Recessed, White

Improve perimeter security and reduce false alarms with the George Risk Industries GRI M-180 recessed contact magnet. Designed specifically for steel doors, this compact 3/4" diameter magnetic insert pairs with matching recessed contact sensors to deliver consistent, tamper-resistant door monitoring for commercial and institutional environments. Constructed from steel and finished in white, the M-180 installs flush in the door edge to maintain a low-profile appearance while providing reliable magnetic attraction for alarm and surveillance systems. Supplied in packs of 100, it’s ideal for installers, integrators, and facilities teams deploying multi-door security schemes or retrofitting existing contacts. The recessed form factor minimizes exposure to damage and vandalism and helps preserve sensor alignment, improving long-term monitoring performance. For best results, use the M-180 with a matching recessed contact sensor of the same diameter and test each contact after installation. Order bulk packs of the GRI M-180 for efficient deployment across sites or specify it in your next access control or alarm system project to ensure dependable, discreet intrusion detection.

• Discreet recessed design keeps the magnet hidden for cleaner installations and unobtrusive security monitoring
• Engineered for steel doors with a 3/4" diameter to ensure reliable contact with matching recessed sensors
• Durable steel construction and white finish resist wear and blend with door frames for a professional look
• Supplied in economical packs of 100 to streamline purchasing and installation for commercial projects
• Simple compatibility with standard recessed contact sensors reduces install time and simplifies maintenance