... blue, green, yellow and other colors. General Use: Barbed wire mainly used in protecting of grass boundary, railway, highway, wine, ... prison, etc. Type Wire Gauge (SWG) Barb Distance (cm) Barb Length (cm) Electric Galvanized ... # 16# x 16# 16# x 18# PVC coated barbed wire; PE barbed wire before coating after coating 7.5-15 1.5 ...