Welded double wire fence, also called double-sided wire fence, 2D security fence, twin wire panel fencing. It is quite popular in Europe countries, like Germany. Looking from far away, the wine wire panel is like the regular fencing panel. Nevertheless, unlike traditional welded wire fences such as the 358 security fence and euro fence, the 2D security fence panel welded with two horizontal wires is particularly strong and firm. A double wire fence could be the normal type with huge holes or 358fences with small holes. Two choices of the spacing between two doubled wires of common 2D security fence were offered: doubled every horizontal wire, doubled horizontal wire every three horizontal wires. Usually, 868 & 656 are the most common types of welded twin-wire panel fencing. 868 type welded wire fence means the panel has two 8 mm diameter horizontal wires and a 6 mm diameter vertical wire