SPZ V Belts are 10mm wide and 8mm thick, they are Oil resistant & Anti-Static. Working temperature range -18c to +70c. Wrapped Belts are the first of the V-Belts to enter the power transmission scenario. The continued development of the product has enabled them to achieve power ratings considerably higher than originally expected. The compounds used to build up these belts are well chosen to match the stipulated power ratings, thus offering increased safety factor on critical drives. Available in the following brands: Medway, Dunlop, Challenge, Dunlop Premium.