CH 10X has a new slightly harder formula that is new to Swix, to give you a faster ski when things start getting sloppy in snow with a high moisture content. It is also more durable than before, while still being easy to apply and scrape, just don't waste it. Recommended Iron Temperature 248F (120C), Snow Temperature: Slushy, Actual Temperature Range: 32-50F (0-10C), Wax Form: Block, Composition: Hydro Carbon, Model Year: 2019, Product ID: 363880, Model Number: CH10X-18, GTIN: 7045951823707