Hex double sided AA V belts are designed for use on drives with one or more reverse bends. They usually transmit power from both sides of the belt. To meet the multiple-bend and dual-power requirements, they deliver maximum strength with minimum elongation. They also work with all the other quality materials to deliver maximum performance over a long, trouble-free life. These belts are supplied in the following high quality brands: Dunlop, Medway, Challenge, PIX.