2pcs Cable Entry, Square 80mm x 80mm x 28mm, Required Hole: 70mm x 70mm, Cable Entry is also ideal for use on benches, desks, offices, etc. Made of solid aluminum alloy, strong and durable, high temperature resistant, anti-aging, multiple protection, curved aluminum alloy shell, safe and reliable. High quality nylon brushes prevent dust, reduce friction, prevent abrasion, protect threads from damage, and provide excellent dexterity. The threaded joint adopts a galvanized cross-shaped threaded joint, which is waterproof and moisture-proof, has a long service life, and is stronger and more reliable. The inner ribbed design is exquisite and beautiful, giving a high-grade feeling. The edges are machined diagonally to be closer to the table.