GRI A-1.0-BL Adapter, 1" 3/8" Hole, Black

Streamline sensor and contact magnet installations with the George Risk Industries A-1.0-BL adapter, a purpose-built contact magnet accessory that delivers reliable alignment and a clean, low-profile finish. The adapter features a 1" aperture and a 3/8" mounting hole, making it ideal for securing reed switches, contact magnets and other door/window monitoring devices used in security, surveillance and access control systems. Finished in matte black, the adapter reduces visual distraction on frames and equipment while providing a durable mounting surface that stands up to repeated service.

Manufactured in the US and sold under part number A-1.0-BL, this precision-machined adapter ensures consistent sensor positioning to minimize false alarms and simplify commissioning. Its compatibility with George Risk contact magnets and standard industry sensors makes it a practical choice for retrofit projects, alarm panel integrations and new installations where reliable monitoring is essential. Add the GRI A-1.0-BL adapter to your parts list to speed installs and improve long-term system performance — order today for secure, professional results.

• Provides a precise 1" aperture with a 3/8" mounting hole to simplify and speed sensor and contact magnet installation
• Matte black finish offers a professional, low-profile appearance that blends with surveillance and access control hardware
• Designed for compatibility with George Risk contact magnets and common security sensors to reduce retrofit complexity
• Precision-machined, US-made component (Mfr. A-1.0-BL) for consistent alignment and reliable long-term performance
• Low-profile adapter minimizes visual impact while securing sensors for dependable monitoring and alarm activation