Material Selection: Round cable grommets are forged from strong zinc alloy, with good texture, anti-corrosion, and rust prevention. The thickened material makes it durable and wear-resistant and not easy to break. One-piece Molding: Built-in cable grommets use fine technology, one-piece molding, no splicing, and durability. Special Situation: If you have many cables, you can loosen the black plastic circle in the middle, then enough space for you to use. Cable Grommet Size: Drill hole diameter 60 mm, outer diameter 68 mm, passage opening 20 x 20 mm, height 12 mm. Application Scenario: High-quality zinc alloy round cable grommets apply to your office table or desk and more. Description Hole covers high-end zinc alloy desks are an ideal solution for storing cables in your desk, workbench or desktop to save space and look neat. Features - Color: Bronze - Material: Zinc alloy - Drill diameter: 60 mm - Outer diameter: 68 mm - Passage opening: 20 x 20 mm - Height: 12 mm Scope of delivery - 2 x cable covers (bronze)