Panduit PRT5EH-C30 Releasable Lashing Cable Ties have a release tab that permits easy release where changes are anticipated during development, production or servicing in the field. Ideal for heavy duty applications. Extra-Heavy cross section, 20.1” (511mm) length. For Indoor use, made of Heat Stabilized Nylon 6.6 for high temperature applications, are black in color and come in packages of 100.