This Wax line is part of Swix Fluoro Free racing glide wax system and is based on new speed additives that conform to their global sustainability strategy. TSP7 is a versatile powder suited for normal winter conditions below the freezing point. Powder makes it convenient to work with and easy to get a good end-result. For fresh, old or man made snow. Good in clean snow. The speed of the iron should be approx. 8-10 sec. on a skating ski. It is important to have a good iron to get an efficient melting of the powder. TSP7 can be used as a race powder alone or as a base for top coats Top Speed Powder 8 has a racing formula that makes it perfect in conditions on both sides of the freezing point. TSP8 can be used as a stand alone race powder, but is often used as a base for liquids or wool-applied top coats. TSP10 is a great powder in wet conditions, typically when new or transformed snow are turning wet. Despite being a quite soft powder, the durability is great, and the powder can easily hold up for longer distances. The speed of the iron should be approx. 8-10 sec. on a skating ski. Important to have a good iron to get an efficient melting of the powder. TSP10 can be used as a race powder alone, but is often used as base for top coats.