A Cotter Pin is a type of fastener that is used in Parking Brake Actuators to secure the clevis Pin that connects the handbrake cross rod to the brake. It is made of metal and has two tines that are bent in opposite directions to prevent the pin from slipping out of the hole. Attributes:• Strong enough to withstand the forces generated by the parking brake• Resist harsh environmental conditionsApplications:A Cotter Pin is used to ensure the safe and reliable operation of the Parking Brake unit.