It is 2 1/4″ in length.  It is made from black 3Cr13 stainless steel.  Whether you need to open a bottle, tighten a screw, pry a staple out, or touch up a blade on the go, the MacV Tool has what you need.  Designed to resemble the original skull from the MACV-SOG group from which the SOG company is named, the MacV Tool is a versatile everyday carry, keychain tool that will prove handy in many situations with 12 components.