Razor barbed wire consists of wire and blades, so you need to prepare wires and blades of sufficient length.
The iron wire generally uses round steel wire or twisted square steel with a diameter of 2.5mm~3mm, and the blade is made of sharp, hard, and non-rusting stainless steel.

Razor wire is an efficient prevention and security facility. It is often used on walls, doors and windows in important places such as military, prisons, and airports. It can effectively resist illegal activities such as climbing and border crossing.
barbed wire gill net： 

Barbed wire is twisted and knitted by a fully automated barbed wire machine. Commonly known as caltrops, barbed wire, and barbed wire among the people. Types of finished products: single-filament twisting and double-filament twisting. Raw material: high quality low carbon steel wire. Surface treatment process: electro-galvanizing, hot-dip galvanizing, plastic coating, plastic spraying. Available in blue, green, yellow and other colors. Usage: Used for isolation and protection of pasture boundaries, railways, highways, etc.

Compared with other protective facilities, barbed wire is lower in cost and relatively easy to install. When used in conjunction with fencing or railings, they can effectively increase security without the need for extensive modifications or additional equipment.