Scanstrut DS21A-P-BLK Vertical Cable Seal - Black 5-Pack 20.5 mm One Size. Features:Watertight installation - 100percent waterproof with an IP68 ratingEasy and reliable installation - each unit is supplied with both pre-drilled and blank inner seals to make your installation as easy as possible.No Need to Remove Cable Connectors - split-seal option does not require connector removal during installation.Multi-Functional Dome Shape - the aesthetic dome-shaped profile provides a stronger impact-resistant design and the outer dome provides an additional water shield.Technical Specifications:Fits cable size (diameter) - .17" to .31" (4 - 9 mm) Fits connector size up to .83" (21 mm) in diameterHeight - .81" (20.5 mm)Color - BlackOrientation - VerticalMaterial - ASA PlasticIn the Box:Cable sealMounting hardwareInstallation manualSold as a Five (5) Pack Package Contents: Scanstrut Vertical Cable Seal Scanstrut DS21A-P-BLK-5: DS21A-P-BLK Vertical Cable Seal - Black 5-Pack 20.5 mm One Size