Great Planes Dynaflite Heavy Duty Hi-Start Lauching Device FEATURES: UV stabilized surgical latex rubber tubing holds elasticity longer for more consistent launches Injected-molded reel provides easy winding a INCLUDES: One 100ft Surgical Tubing One Nylon Parachute One 350ft (107m) Spool of Nylon Twine One Plastic Reel One 8 Steel Stake Three Metal Rings On INCLUDES: One 100ft Surgical Tubing One Nylon Parachute One 350ft (107m) Spool of Nylon Twine One Plastic Reel One 8 Steel Stake Three Metal Rings On