Rear 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.

2 required per vehicle, sold each.

To fit:
911 (996) C4S 2003-2005 Rear vehicles with ceramic brakes (PCCB)
911 (996) Turbo 2001-2005 Rear vehicles with ceramic brakes (PCCB)
911 (996) GT2 2001-2005 Rear all models including vehicles with ceramic brakes (PCCB)
911 (997) C2S 2005-2012 Rear all models including vehicles with ceramic brakes (PCCB)
911 (997) C4/C4S 2009-2012 Rear vehicles with ceramic brakes (PCCB)
911 (997) CGTS 2009-2012 Rear all models including vehicles with ceramic brakes (PCCB)