Records of tool use and change out. Records in the tool crib or on the machine , Program stop as part of the machine program to signal a tool change after a given number of uses or cycles. Tool life managementScore: 0 = No tool life program.1 = Tool life tracked, managed manually (i.e. on spreadsheet, or hand written trackers).2 = Tool life tracked by machine controller and programmed to stop when reaching end of life.