3M's BS-31-6-NB terminals are designed for effective and reliable performance in electrical systems. They boast a one-piece, burr-free construction with electrical bright-tin plating for corrosion resistance. The funnel barrel construction allows for easy wire insertion and eliminates strand hang-ups. The nylon insulation provides a positive insulation grip, strain relief, and vibration protection, making them suitable for a wide range of applications including automotive and industrial settings. They withstand temperatures up to 221°F (105°C) and are UL Listed and CSA Certified where appropriate.