Wire grommets are an efficient choice for managing messy wires on your workbench. They can be used to organize wires and cables on computer desks, PC peripherals at home, office. Holes can be opened on walls, doors, desktops, Socket holes, cabinets, household appliances for installation.SpecificationMaterial:  PA NylonBottom diameter: 49 mm/ 1.93inchHole inner diameter: 41.2 mm/ 1.62 inchTop diameter: 53.5 mm/ 2.11 inchHeight: 11.52 mm/ 0.45 inchAdvantages: The Household wire hole grommets is made of PA Nylon, which is durable, wear-resistant and corrosion-resistant. The grommets wire hole cover can organize multiple cables from any direction. The opening on the cover has a smooth surface to protect your wires from being damaged by edges.Instructions: The cable grommet is very convenient to use. 2. Put the hole grommets cover into the drilled hole; 3. Organize the wires and cablesNotice: The dimensions of the products are exact in mm. Please pay attention to the size before placing an order; Product Model:SB-50