3 pcs Recessed Brown Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch. These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems sold2024 Report cover for easy storage

Report cover for easy storage

41-inch x 42-foot roll

Rubber sanding drum in 3size 3/4"

Resists vibrations

the model can be well separated from the PEI coating

3 pcs Recessed Brown Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch. These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems sold2024 Report cover for easy storage3 pcs Recessed Brown Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch. These Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. The door position switches operate with a built an internal magnetic reed switch that closes when