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.