... ageing resistance ,solarization resistance,durable,etc. 2. useage: Barbed wire is mainly used in protecting of grass boundary ,railway, ... appearance,various patterns. 3.Product variety:single twist barbed wire and double twist barbed wire . Specifications: TypeWire Gauge (SWG)BarbDistance(cm) ... x 16#16# x 16#16# x 18#PVCcoated barbed wire;PE barbed wireBefore coatingAfter coating7.5 - 151.5 - 31.0mm ...