Blue J - Deadbolt Thumb Turn J Tool (BLU-J-Tool)
This useful tool reaches between the gap on double doors to activate thumb-turn deadbolts. It also works on security grates and grilles. This tool is especially useful for first responders to avoid destructive entry on commercial doors.
Note: The lubricant can dry and causes the tool to squeak, This is easily remedied with a shot of WD-40 or similar lubricants.