Description
The GRI A-87-BL is a black 7/8" diameter adaptor equipped with a 3/8" center hole. It is designed to act as a spacer, or reducer, used primarily in the installation of commercial and residential security and burglar alarm sensors.
Features
- Self-locking, snap-in snap-out design that allows for quick installation and removal
- Reusable, making it well-suited for areas prone to frequent electrical disturbances or lightning
