GRI M-505 Magnet in Case, 3/16" 1/4" 1" Super Mini, Surface Mount, White

Ensure discreet, dependable perimeter protection with the George Risk Industries M-505 super-mini contact magnet. This surface-mount magnetic contact magnet is engineered for contractors and integrators who need a low-profile sensor that won’t compromise aesthetics — the compact 3/16 in x 1/4 in x 1 in footprint and white finish make it easy to conceal on doors and windows while maintaining strong magnetic response. Compatible with steel doors and standard alarm contacts, the M-505 delivers consistent activation for accurate security, surveillance, and monitoring systems, helping reduce nuisance alarms and maintenance callbacks. Sold in packs of 100, it’s an economical choice for new builds, retrofits, and service teams who require repeatable performance and fast installs. Made in the U.S. and optimized for surface mounting, the M-505 balances durability with a super-mini form factor that supports residential and light-commercial applications. Order a bag to streamline installations or contact our sales team for volume pricing and integration guidance.

• Ultra-low profile for discreet door/window security that blends into frames and surfaces
• Surface-mount design speeds installation and reduces labor time for contractors
• Consistent magnetic activation for reliable monitoring and fewer false alarms
• Packaged in bags of 100 to support large jobs and repeat installations
• White finish and compact 3/16 in x 1/4 in x 1 in size ideal for residential and light-commercial use