V-belt (trapezoidal section) drive belt 6x352 (6 mm section, 352 mm length). Transmits drive from the motor to the working unit by gripping the side walls of the pulley groove. Wear part: replace when it slips, is cracked, glazed or stretched. Identify the belt by section and length (measure the one fitted); other lengths also available, e.g. 6x300.