Hi-Start launch Silicon Rubber - up to 5 kg F3J, F3B, HLG, DLG rc planes rc Gliders

Description

-Design for gliders or rc planes up to 5 kg. -10m outside diameter: 8mm inside diameter: 5mm. -They make the best possible "hi-starts" for rc sailplanes because they can be stretched 5 to 7 times their own length. -Silicon rubber bungee cord stretches to 6 times its original length and is light weight giving a consistant pull, great for gliders and edf jets of up to 5kg. -The tubes are colored not only for better visibility when they are laying on the ground, but also because the color dies give the rubber protection from ultraviolet radiation and ozone.