Temco Terminal Lug Tinned Copper Uninsulated Gauge AWG ALL WEATHER RATED. Ideal for Marine, Automotive or Outdoor applications. 100% TIN PLATED COPPER. High Electrolytic Grade Copper Terminals outlast and outperform others. PRECISION FIT. High-tolerance dies are used in the molding process. Flared opening for easy wire insertion. CLOSED END CONSTRUCTION. When paired with TEMCo adhesive heat shrink will prevent corrosion by sealing out moisture Can be crimped (best method) or soldered. Works on solid or stranded wire. NOTE: Audio wire may not be direct fit. Recommend to use a size or two larger terminal than the gauge of the audio wire.