This standard specifies the main fixing dimensions for interchangeable shovels designed to fit tines which conform to a type specified in this standard. It applies to the lower portion of tines for fixing various types of shovels having a working width of up to 400 mm. This Gulf standard deals with tines and shovels for cultivators according to their method of attachment. It specifies only the main fixing dimensions, thus not inhibiting their future design, configuration and use. Materials and methods for manufacturing shovels and tines are not specified