Material Selection: Round cable grommets are made from strong zinc alloy with a durable texture, providing corrosion and rust resistance. The thickened material enhances durability, wear resistance, and reduces the risk of breakage. One-Piece Molding: These recessed cable grommets are crafted using fine technology with one-piece molding, ensuring no splicing and long-lasting performance. Special Feature: For setups with multiple cables, the center black plastic ring can be removed to provide additional space. Cable Pass Size: Borehole diameter 60mm, outer diameter 68mm, passage opening 20 x 20mm, height 12mm. Application: These round zinc alloy desktop grommets are designed for use on office tables, desks, and workbenches to organize cables and maintain a clean appearance. Size: 60mm | Color: Bronze High-end zinc alloy desktop hole covers offer an effective solution for managing cables on office desks, workbenches, or tables, helping save space and enhance visual appeal. Color: Bronze Material: Zinc Alloy Drilling Diameter: 60 mm Outer Diameter: 68 mm Passage Opening: 20 x 20 mm Height: 12 mm Package Includes: 2 x Cable Desk Covers (Bronze)