The PowerGRP GRP-5400 100-Count Resealable Pack of Type 21 Black-Colored General-Purpose Cable Ties are 5â⬠long, with 40lb of tensile strength for professional applications. Theyââ¬â¢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 5â⬠cables ties around a wide range of equipment with a bundle diameter between .06â⬠(1.5mm) and 1.3â⬠(33mm), using the bent tips and serrated locking mechanism to form an effortless and secure grip. Designed for cable management in industrial applications.