0.40x22mm = 9.000 mt. (30 rulo)
0.40x12mm = 3.000 mt. (10 rulo)
0.40x58mm = 300 mt. (1 rulo)
0.80x22mm = 3.176 mt. (10 rulo)
0.80x40mm = 600 mt. (2 rulo)