This 20mm Conlok Galvanised Steel Conduit Box & Lid is designed for surface mounting and is suitable for rigid metal conduits. Made in the United Kingdom, the box features a thread size of M20 and a silver colour finish. It has an IP30 rating, making it suitable for various electrical installations. The rigid and durable construction of the box ensures a temperature range from -20°C to 105°C, providing reliable protection for electrical connections. The connection type is screw, and it is an essential accessory in conduit fittings for wire and cable installations.