Material Selection: Round cable grommets are made from strong zinc alloy with good texture, corrosion resistance, and rust resistance. The thickened material ensures durability, wear resistance, and reduced risk of breakage. One-Piece Molding: Recessed cable grommets are crafted using fine technology with one-piece molding for seamless construction and enhanced durability. 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 suitable for office tables, desks, and workbenches to help organize cables and maintain a clean appearance. Size: 60mm | Color: Bronze High-quality zinc alloy desktop hole covers provide an ideal solution for managing cables on office desks, workbenches, or desktops, helping save space and improve aesthetics. Specifications 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)