Size:100*100*707 removable rubber bungs with 25mm diameter for cable entry, fast lock lid IP65 waterproof underground electrical junction box.This series waterproof junction box with a bulge at the bottom of the card slot, can install the fixed guide rail, etc.The junction box four corners with plastic screw cover,and box side have holes with cable gland. Specification: .Total Size: 4 inches (L) x 4 inches(W) x 2.8 inches (H)/100 x 100 x 70mm .The actual internal size is (approx):3.6 inches (L) x 3.6 inches (W) x 2.6 inches (Deep) / 90 x 90 x 65mm Tips: ✔. 2 sizes, Total Size and Internally available dimensions, please choose the right size when purchasing ✔.Please allow 1-5 mm errors due to manual measurement ◐.Product Name: Waterproof Project Junction Box ◐.Model:100x100x70 ◐.Material: ABS,Rubber ◐.Waterproof Rating:IP65 ◐.Screw Thread Dia.: 4mm/0.16inch ◐.Main Color: White ◐.Net Weight: 160g Package Include:1 x Waterproof Junction Box;Some Rubber Grommets;Some Screws Waterproof connector box is mainly suitable for indoor and outdoor electrical, communications, fire equipment, steel smelting, oil chemical industry, electronics, electric power, railway, construction site, mining, quarry, airport, hotel, ships, large factories,terminal equipment, sewage discharge waste water treatment, environmental hazards, etc.★.Inner Size is 3.6 x 3.6 x 2.6 inches (Deep) / 90 x 90 x 65mm;Total Size: 4 x 4 x 2.8 inches (H)/100 x 100 x 70mm★.Electrical Box Made of ABS and Rubber, Sturdy and terrific,sealed, moisture proof, sunscreen, anti-corrosion, durable for years★.A total of 7 holes ,25mm Hole diameter, DIY according to individual needs★.You only need to use an ordinary small screwdriver, you can easily install and disassemble, use very convenient, Easy to operate and repair, no cable cutting, more convenient and safer★.Waterproof Box Perfect for use outdoors, Waterproof junction box means these are well protected from rain and water splash back, making them perfect for joining wires inside.