I purchased a Fiskars replacement head this past April. I used the new replacement head only a few times when the rope started to break apart. The material used is a nylon material and not strong enough for pruning tree branches. My old Fiskars unit came with a rope that was made of a strong material simular to a clothline material. Fiskars should replace this cord with a stronger cordFiskars Green Thumb Tree Pruner (93936993) POLE NOT INCLUDED