It is best suited for medium density bales in all big square and medium square balers for harsh and springy crops. It is often used by contractors on the inside knotters in big square balers for economy. Spools per pack: 2 Meters per spool: 1020 Meters per pack: 2040 Knot strength (kgf): 245 Tensile strength (kgf): 350 kg per pack: 17 Packs per pallet: 56