3M™ Scotchlok™ Color-Coded Heat Shrink Locking Fork terminal has a spring-like tongue to securely lock around the stud. The brazed-seam barrel is covered by an adhesive-lined polyolefin tubing to offer moisture-seal protection. It withstands a maximum temperature of 221 degrees F (105 degrees C). Electrolytic copper construction offers good conductivity and a tin-plated finish resists corrosion.