9.9.1 Marking
In addition to information required by the applicable legislation and standard to which the product was made, each beam clamp should be permanently and legibly marked with the following information:
Identification mark. (If the manufacturer has not provided a unique serial number then it is the responsibility of the user to add the identification mark to identify the equipment with the inspection and examination reports)
Working load limit or SWL.
Width of beam for which the clamp is designed or, in the case of an adjustable clamp, the range of widths and the section of beam if applicable.
Toe thickness of beam if applicable.
Year of manufacture
Name and address of manufacturer
The marking should be either by means of a suitable metal tab permanently attached or by stamping, provided that no mechanical property of the clamp is significantly impaired.