ADA663G Steel Galvanized Adaptable Boxes With 8 Knockouts 6" x 6" x 3"\r\n- Galvanized Adaptable Boxes With Knock-Outs.- Pre-galvanized sheet steel.- Screw-on lid.- Galvanized Finish.- Eight knockouts.- Dimensions: (D)75mm (L)150mm (W)150mm\r\nADA663G Steel Galvanized Adaptable Boxes With 8 Knockouts 6" x 6" x 3" has mushroom screws. The galvanized steel casing of the device prevents rust and corrosion, so it\'s a long-lasting option. Its flanged lids with mushroom head screws provide a tight fit to keep dust out of the electrical components. It has eight knockouts that you can easily pass large wires through, giving you more flexibility while wiring.\r\nFeatures:\r\n- Finish Galvanized.- Length: 150mm.- Width: 150mm.- Depth: 75mm.- Number of Knockouts: 8.- Material: Steel.- Number of Screws: 4.- Mounting Type: Surface Mounting.- Shape: Square.\r\nDimensions: (D)75mm (L)150mm (W)150mm