fencing material chainlink fencing barbed wire , galvanized steel barbed wire -point wire - galvanised steel wire of 2.5 mm diameterbarbs - distance between two barbs 75mm, the barbs shall have four points and shall be formed by twisting two point wire each two turns, tightly around both the line wire making altogether four complete turns. standard - conforming to is -278-2009 with up to date amendments. , galvanized steel chainlinkwire diameter – 3.15mm fence fabric size- 100x100mm height-1.5 mtr. line wire- diameter 4mm thick 2 number. conforming to is -2721-2003 with up to date amendments , galvanized steel chainlinkwire diameter –4mm fence fabric size-100x100mm height- 1.8 mtr. line wire- 4mm thick 2 number conforming to is -2721-2003 with up to date amendments