Maelstorm 4 X 20m 1000lb 453kg Authentic Quality Kite Line Set for Kitesurfing Kiteboarding 4 X 20M/65ft, 1000lb/453kg, pre-stretched and Pre-sleeved Being slender for their strength, they offer less aerodynamic drag than other types of line More abrasion resistant than high carbon steel, resistant to UV light Exhibit very low stretch compared to nylon or Dacron lines FREE line adjusters(alias "pigtails")