3 pieces of cable pass through square cover: You will receive 3 pieces of black square grommet cable. Two sizes: square 80 x 80 x 28 mm, required hole size 68 mm x 68 mm; rectangular 160 mm x 80 mm x 28 mm, drilling dimension required: 148 x 68 mm. Aluminum alloy material: This cable gland cover is made of aluminum alloy, and the inner wall is fixed. Structural design: design of the flap cover, simple structure, curved cover plate, wavy internal structure design, exquisite and beautiful. Wide range of applications: suitable for desks, TV cabinets, computer desks, Product Specifications: Material: Aluminum Alloy Dimensions: 80 x 80 x 28mm, 160mm x 80mm x 28mm Colour: black Quantity: 3 pieces Product features: Clamshell design, smooth opening and closing, can accommodate more wires and keep the desktop clean and tidy. The connection adopts cross countersunk screws, which are stable and not easy to deform. Nylon brush design, dustproof, anti-friction, effectively protect the wire against damage. Scope of delivery: 3 * cable passthrough square cover Note: As a manual measurement is required, please allow 1-3mm deviation. Due to different display methods, the color of the actual product and the picture may be slightly different.