The Master Lock No. 497A Heavy-Duty Safety Tags are made from a durable polyester laminate that resists water, grease and extreme temperatures. Its heavy-duty construction withstands over 23kg of pull force to meet best practices. The 11mm diameter brass grommet accepts all safety padlocks. Tags are customizable with name, department and expected completion date. One item consists of 1 bag with 12 tags and 12 ties. Master Lock No. 497a Heavy-duty Safety Tags (12) - Danger Do Not Operate