The Spyderco Citadel lives up to the hype. This is a great quality auto knife that you will be sure to cherish. The Citadel boasts a textured black aluminum handle with an emblem featuring the Spyderco logo. The Citadel automatic knife currently comes in two different sizes. The large version features a 3.6" blade, and the smaller version features a 3.25" blade. Spyderco is currently using CPM-S30V steel for this series.