Customs security seals metallic spiral wire is manufactured on following material
art. SPR.Z galvanized wire........ 1 mm ( 0.03" ) (yield 1 kg = 400 mt) (yield 2.2 lb = 15.748" )
art. SPR.I stainless steel wire... 1 mm ( 0.03" ) (yeld 1 kg = 400 mt) (yield 2.2 lb = 15.748" )
art. SPR.O copper wire............ 1 mm ( 0.03" )( yeld 1 kg = 370 mt) (yield 2.2 lb = 14.566" )
art. SPR.R brass wire............. 1 mm ( 0.03" ) (yeld 1 kg = 350 mt) (yield 2.2 lb = 13.779"
