Different Outer Sizes: 2 pieces small size 80 x 80 mm + 1 piece medium size 80 x 160 mm, the color is metallic silver. High Quality: Made of aluminum alloy material, sturdy and durable for long time use.< /p> Easy to Install and Remove: With a flip-top cover, snap into the desk hole for added stability. Store Your Desk: Allows wires and cables to pass through safely, use the hole cover to tidy up. Scope of Application: For holes anywhere, such as desk grommet that puts together on the countertop at home. 1. Note: Please allow minor deviation due to manual measurement. 2. There are 2 sets of small size 80*80mm + 1 piece of medium size 80*160mm, the color is metallic silver. 3. Decoration and sturdy wire and cable to pass through safely and easily, decorate your table. 4. Hair Brush Premium hair brush to prevent wire from twisting. cut. 5. Application: For holes anywhere such as the countertop of a meeting desk. Quantity delivered: 3 pieces