The Unicorn Heritage range includes some of the most popular and iconic darts the world has ever seen. Each dart is a tribute to Unicorn's long and successful history and shows how Unicorn became the big name in darts. The Zippy 1981 is simply cult. A dart that puts a smile on the face of every dart fan. Small but nice, that is the Zippy. It consists of 80% Tungsten and the weight of all Heritage Darts is of course guaranteed with a tolerance of +/- 0.1g. The Zippy 1981 dart is available in 25g.