LCMA Class 2R One-Hole Metric Lugs Panduit LCMA Class 2R One-Hole Metric Lugs feature a standard barrel with window lugs that provide visual assurance of full conductor insertion. A rounded tongue allows usage in tight spaces and an internal bevel wire entry promotes fast and easy installation. The Panduit LCMA Metric Lugs are Tin-plated with a nominal thickness of 320μ' (8μm) to provide a high-quality connection and inhibit corrosion.