Replacing the trimmers is sometimes necessary after prolonged or intensive trimmer use, due to trimmer tape deterioration caused by sharp edges of the buckles. However, the most often cause of a replacement is spontaneous unlocking of the trimmers in flight (mostly related to the tapes being slick after contact with oils or lubricants).
The set consists of:
- a pair of trimmer buckles with removable pins
- a pair of trimmer tapes with locking clasps
- a bit of glue to fix the screws guarding buckles' pins against getting loose
If the old buckle has not a removable pin, you should destroy it with metal saw and replace with a new one.