Designed to cut copper wire only. Strips AWG solid wire sizes: 10, 12, 14, 16, and 18. Strips AWG stranded wire sizes: 12, 14, 16, 18, and 20. Precision holes for wire stripping. Lean plier nose pulls and loops wire. Scissor-type blades are precision ground and heat-treated to hold their edge. Highly visible AWG solid and AWG stranded wire gauge sizes painted and embossed in the metal. Channellock Blue comfort-grips.