This item may be available in a different size, colour, scent, version or platform:
Fuse for Model Rocketry 3.5 mm 20 ft Roll
Slow Red 3.5 mm 30 sec/ft 24 woven cotton strings (instead of the usual 10 strings) and coated with 4 layers of varnish to provide the best possible water resistance. This is a very high quality 3.5 mm thick fuse.