At first, Double strand twist barbed wire is a type of fencing material commonly used for security and boundary demarcation purposes. It consists of two strands of wire twisted together, with barbs or sharp spikes spaced at regular intervals along the twisted wire. Usage: Used for anti-theft and protection in factories, private villas, the first floor of residential buildings, construction sites, banks, money printing plants, military sites, bungalows, low walls and other places.