This standard BS ISO 7113:1999 Portable hand-held forestry machines. Cutting attachments for brush cutters. Single piece metal blades is classified in these ICS categories:
65.060.80 Forestry equipment
This International Standard specifies the requirements for the material and marking of single-piece metal blades for portable hand-held brush cutters as well as the basic dimensions and tolerances for saw blades for portable handheld brush saws.