Colored Wire Markers
AVAILABE IN TWO SIZES, MINI FOR 22-28 AWG TEFZEL WIRE AND STANDARD FOR 12-20 AWG TEFZEL WIRE.
USED FOR MARKING WIRES WHEN YOU HAVE MULTIPLES OF THE SAME COLOR INSULATION WIRE IN THE SAME HARNESS. THESE SLIP OVER EACH END OF THE WIRE AND ARE SHRUNK DOWN ONTO THE WIRE USING A HEAT GUN.
SAMPLE PHOTO FROM THE WEB