Handcrafted in the U.S.A., this classic American Case Pen Knife is about 3 1/4 inches long (folded/closed) and weighs approximately 1.4 ounces. The handle is high-visiblity Yellow Delrin. with a Nickel Silver Case Inlay Shield. The bolsters are Nickel Silver. This knife utilizes a 2 1/2" Clip blade and 1 1/2" Pen blade. Stamped with pattern number 32087 CS, the blades are highly polished Carbon Steel. Note: Carbon Steel is generally harder than stainless steel, this allows the blade to hold a sharper edge, longer. However, Carbon Steel will corrode/rust if it's not cleaned and oiled regularly. This Pen Knife is a professional-grade tool that comes with a Limited Lifetime Manufacturer's Warranty and is not designed nor intended to be used on or against humans.