The largest wholesale of pyrotechnics in Slovakia
1 CTN = 16 bal. 1 bal. = 4 ks NEC 1 ks = 40 g
1 ctn = 50 bal. 1 bal. = 4ks Nec 1 ks = 4 g
1 ctn = 50bal. 1 bal. = 4ks NEC 1 ks = 7 g