Swix HF12 Combination Pack includes two of the most used HF waxes in one package. HF7 and HF8 Fluoro Waxes are a high performance glide waxes that falls within a common winter-time temperature. HF7 is easy and effective to make warmer or colder adjustments with overlayers. The HF8 is the most used wax on the World Cup, and has been a successful combination with HF7 and has become a racing standard.