What is the fence type terminal block?

Grid type terminals are as follows:

Wiring terminals: terminals are used to realize the electrical connection of a kind of accessory products, industry is divided into the category of connectors. Terminal is to facilitate the connection of wires and applications, it is actually a section of metal sealed inside the insulating plastic, both ends have holes, can be inserted into the wire. Terminals can be divided into WUK terminals, European terminal block series, plug-in terminal block series, and so on.