Special aramid reinforced compounds, along with improved tooth facing and tensile members provide the muscle for the increased horsepower ratings; up to three times that of standard HTB belts. Laboratory and customer tested tough! Tiger Belts may also be ordered in the standard 8mm pitch HTB widths of 20 mm, 30 mm, 50 mm and 85 mm, as well as in standard 14 mm pitch HTB widths of 40 mm, 55 mm, 85 mm, 115 mm and 170 mm. HTB drives utilizing TigerBelts as direct replacements for original HTB belts will see greatly improved belt life.