High pound wire protection tube
When will the protection line be changed? If you wait for the racket carbon to collapse, and then expect to send a small wire protection tube to save your life, it seems a bit of a fantasy; if you can carefully inspect the wire protection tube before threading, once you find that the wire protection tube is obviously deformed Or it is damaged, then you should either yourself or ask your threading division to help you replace it with a new wire protection tube immediately to avoid unnecessary damage. Careful golfers usually replace most of the line guards before stringing to extend the life of the racket.