Stay Wire Markets clip on to cable stay to highlight them. You clip black and yellow alternatively to create the pattern.
 
Can be retrofit to existing stay as it clips over the cable not silde on. If you are making a cable you can slide them on before you terminate the cable end.
 
Fits 12mm wire rope  
 
4 per pack. each tube is 20cm  so  80cm  total/
 
Recommend using wire rope grip around 10 cm above last tube to stop anyone moving them up the cable. (We sell Wire Rope Grips check our other products we have)