Product Description Feature: 3 Piece Square Cable Grommet Covers: You will receive 3 black square cable grommet covers. Two Sizes: Square 80 x 80 x 28 mm, requires a drilling size of 68 mm x 68 mm; Rectangular 160 mm x 80 mm x 28 mm, requires a drilling dimension of 148 x 68mm. Aluminum Alloy Material: This cable grommet cover is made of aluminum alloy with a fixed inner wall. Construction Design: Features a flip cover design, simple structure, curved lid plate, and a wavy internal structure for an exquisite and beautiful look. Wide Application: Suitable for desks, TV stands, computer desks, etc. Easy to install, it helps you create a cleaner workspace. Package Contents: 3 x Cable Grommet Covers Black Square Recessed Cable Management Desk Cable Protector Aluminum Alloy Desk Cable Outlet Cable Grommet 80 x 80 mm 160 x 80 mm Key Points: 1. Product size is measured manually, there may be errors. 2. Please refer to the actual color received as different monitors display colors differently. 3. Please confirm the size before purchasing.