The LCB4/0-12-X Tin-Plated Copper Compression Connector Lug, one-hole, long barrel, has color-coded barrels marked with Panduit and specified competitor die index numbers for proper crimp die selection. The long barrel maximizes the number of crimps and provides premium wire pull-out strength and performance. The enclosed barrel prevents corrosive material from entering the barrel when used in harsh environments. UL Listed and CSA Certified.