Boker Plus 9" Balisong G10 Butterfly Knife D2 Tool Steel. A traditional concept in modern implementation and high-tech materials that turn the classic knife into a modern tool The balisong has a 4” D2 tool steel blade that gives it edge retention and corrosion resistance beyond compare It has lightweight, black G10 and stainless steel handle scales and it features a stainless steel clip overall length is 9 Inches