This pen is a bolt action pen. It has a knob on the side you slide up and over like the loading of a rifle such as a .30-.06. The pen clip looks like a rifle with a scope. This comes with a pen case that looks like a tactical gun case where one stores a rifle or bow. The pen cases come in green or black- please specify or it will be black. The added element to this pen is a nylon thread. The metal is a antique brass finish. this pen takes a Parker refill that can be purchased at any Staples, Office Max, or Amazon. The pen currently comes with a black refill.