Panduit PC075-H25D-D0 Pan-Clamp Heavy Duty Fixed Diameter Clamps are great for securing wires, cables and hydraulic hoses in heavy duty applications, such as; light vehicles, heavy trucks and specialty vehicles. The maximum panel thickness is 0.13” (3.2mm) and a panel hole of 0.28” (7.1mm) is required for mounting. For use in outdoor environments and with bundles of no more than 0.75” (19.1mm) in diameter. Made of Weather Resistant Nylon 6.6, are black in color and come in packages of 500.