Inner Size: 93 x 61 x 36mm/3.66" x 2.4" x 1.4"(L*W*D);
Fixed Hole Diameter: 3.5mm
Thread Diameter: 4mm/0.16";
Ingress Protection Rating: IP65

1.Weatherproof junction boxes, perfect for use outdoors,
2.The IP65 rating means these are well protected from rain and water splash back, making them perfect for joining wires inside.
3.The screws on the lid are made from plastic so will not rust, and easy to turn.
4.The sides of the box are plain to allow you to drill your own cable entries where needed.
5.Plain sides, easy turn plastic screws
6.Inside Dimensions: 93x61x36mm(L*W*D)

This product provides complete protection against dust and splash water, the Ingress Protection Rating is :IP65