Completely In Loaded Nylon. Supplied With 4 Pieces Of 300 Mm Wire. 3 Mm Square Wire. Wire Replacement Very Easily. Possibility Of Mounting Any Type Of Wire. Washers Kit Adapters For Mounting On Any Type Of Brushcutter. Thread Clamping By Crushing With Central Insert. Cod. R301756 Replacement Upper Body Cod. R301759 Spare Spacer Internal Cod. R301758 Spare Internal Washer Cod. R301757 Spare Part Lower Body