Barbed wire size:
Type: single strand
Finished: hot dipped galvanized
Wire diameter: 1.8mm
Length: 
1) 515mtr which is 13.6kgs per roll
having barb at a distance of 6" from each other. 
2) 845mtr which is 23.8kgs per roll
having barb at a distance of 5.25" from each other 
Barbed Wire size:
Type: double strand
Finished: electro galvanized 
Wire diameters: 1.8mm 
Weight: 565 rolls of 28kg
Length:
1) 515m which is 13.6kgs per roll
having barb at a distance of 6" from each other. 
2) 845m which is 23.8kgs per roll
having barb at a distance of 5.25" from each other