The PowerGRP GRP-28250 50-Count Resealable Pack of Type 11 Natural-Colored Super Heavy-Duty Cable Ties are 28” long, with 250lb of tensile strength for professional applications. They’re made from polyamide 6,6 nylon, resulting in a high mechanical strength and a wide temperature range (-40 F to 185 F). Fasten these 28” cables ties around a wide range of equipment with a bundle diameter between .31” (8mm) and 8.03” (204mm) using the bent tips and serrated locking mechanism to form an effortless and secure grip. Designed for cable management in industrial applications.