TD-200 TD-100A & TD-100 Replacement O Rings Pkg 5

Pack of 5 O-Rings for the TD-100, TD-100A & TD-200 Tip Heater Cartridge Soldering Irons.  This O-Ring is used to secure the tip and forms a protective seal to ensure the electrical connections in the TD-100 are always clean.  They will will wear out with normal use from the tip being inserted and pulled out and need to be replaced periodically.