fencing material barbed wire fencing material , galvanized steel barbed wire line wire- galvanised steel wire of 2.5 mm diameter point wire – galvanised steel wire of 2.5 mm diameter barbs- distance between two barbs 75 mm,the barbs shall have four point and shall be formed by twisting two point wires each two turns, tightly around both the line wires making altogether four complete turns. standard –conforming to is-278-2009 , galvanized steel chain link fence mesh wire- galvanised steel wire of 3.15 mm diameter fabric size-100x100 mm height-150 cm line wire-2 numbers of line wires of 4.0 mm diameter standard-conforming to is-2721-2003 with up to date amendments