GRI M-12 Bare Magnet, 1" Long, 1/4" Diameter

Maximize the reliability of your contact sensors with the George Risk Industries GRI M-12 bare magnet. Designed for security and surveillance applications, this contact magnet delivers consistent magnetic activation for door and window reed switches—helping reduce nuisance alarms and improve overall system dependability. The M-12 magnet measures 1 in long by 1/4 in diameter, offering a low-profile footprint that fits tight mounting cavities and concealed installations without compromising holding force. Made in the US, the GRI M-12 is well-suited for commercial access control, intrusion detection, and remote monitoring projects where dependable sensor response is critical. Its standardized sizing ensures straightforward compatibility with a wide range of contact sensors and accessories, simplifying inventory and installations for integrators and facilities teams. Whether you are outfitting a new surveillance system or replacing worn magnets during maintenance, the GRI M-12 provides a no-nonsense, durable solution. Order the GRI M-12 bare contact magnet today to improve sensor performance and streamline your security or monitoring deployment.

• Consistent activation for security contacts: ensures reliable door and window sensor triggering to reduce false alarms
• Compact, low-profile design (1 in length, 1/4 in diameter) fits tight housings and discreet installations
• Precision M-12 sizing for seamless compatibility with standard contact switches and reed sensors
• Rugged US-made construction from George Risk Industries for long-term durability in commercial deployments
• Easy to integrate into new installations or retrofits for surveillance, access control and monitoring systems