6 Pack, 1” X 1” cutting width flexible, durable and made from Nitinol ( Nickel/Titanium Alloy) replacement wires! No tools necessary to replace! The world’s first safe to handle, flexible broadhead cutting edges! Safe titanium edge provides multiple uses on animals without needing re-sharpening. New Improved Wire .061" thick steeper grind angle for increased durability and Re-usability! Replacement wires fit both 100G and 75G Models.