The XL is classy...it moves well, looks right, walks the walk, and talks the talk. It is not just a larger version of a Twitch. It is serious business that can more than get the job done. This is a high-tech statement of sophistication with all the bells and whistles that you expect from the designers at SOG, including our SOG Assisted Technology. Folding Style Straight Edge Stainless Steel, Anodized Aluminum