This patented one pull, one cut technology, innovative X‐traSafe CU Utility Knife is a revolutionary solution to the safety and risk management needs of companies in a variety of industries. Specifically designed to minimize blade exposure in an effort to reduce the number of careless recordable workplace injuries that can potentially occur in settings where there is a repeated and frequent need for cutting boxes open. our patented CrewSafe safety guard system lock engages and protects uses after each but to ensure maximum protection against costly workplace laceration accidents.