Brake pad wear indicator.
These fit to the brake pads and indicate when the brake pads are worn and need replacing. They should be replaced each time you replace the brake pads.

1 required per vehicle, sold each.

To fit:
Boxster (987) S 2005-2008 Front left (not ceramic brakes)
Cayman (987C) S 2006-2008 Front left (not ceramic brakes)
Boxster (987) inc S 2009-2012 Front left (not ceramic brakes)
Cayman (987C) inc S 2009-2012 Front right (not ceramic brakes)
911 (997) C2 2005-2008 Front left (not ceramic brakes)