Pleasant to the consumer PVC opening door on an 18-way din rail delivery board A neutral/earth bar is used. With 18 buttons, it’s made of plastic. Your electrical supply is delivered properly and efficiently with the EUROLUX 18 direction din rail distribution board. Eurolux began as a small operation in Cape Town over 25 years ago and has since grown to become one of South Africa’s lighting industry leaders. Specifications of the product: Plastic is the material used. Height: 251mm Width: 399mm Depth: 92mm 18-way switches Flush installing is the preferred method of installation.