This International Standard specifies components and physical parameters of tennis rackets and it defines the terminology used. It also specifies laboratory methods for measuring some specific parameters of tennis rackets and gives guidelines for the indication of these parameters. The specification of laboratory methods will permit the comparability of published measurements. This International Standard does not include the influence of these parameters on the quality of the tennis racket. NOTE 1 For specific requirements of tennis rackets, refer to the "Rules of the International Tennis Federation (ITF)".