RockHard Screw Mount N ylon Cable Ties 6.6 are designed to for ideal use in all bundling and organizing tasks from workshop projects to office and home installation. Designed with simple enhancements that withstand rough installation practices that occur in MRO and construction projects. These cable ties ensure excellent bundle tightness, up to 50 LB. of tensile strength, are weather resistant, and provide lasting flexibility. Recommended for bundling wire, cable, or hose. Best of all these are made for easy and efficient application whether it’s manually or using an application tool.