This part of ISO 11199 specifies requirements and test methods of walking frames being used as assistive products for walking, manipulated by both arms, without accessories, unless specified in the particular test procedure. This part of ISO 11199 also gives requirements relating to safety, ergonomics, performance and information supplied by the manufacturer including marking and labelling. The requirements and tests are based on every-day use of walking frames as assistive products for walking for a maximum user mass as specified by the manufacturer. This part of ISO 11199 includes walking frames specified for a user mass of no less than 35 kg.