The Boker Plus Rocket has a one-sided G10 handle scale with integrated stainless steel linerlock for securing the blade.Our customers know Darriel Caston mainly as a designer of tactical pens. However, his passion is designing compact folders with unusual details. The Boker Plus Rocket has a one-sided G10 handle scale with integrated stainless steel linerlock for securing the blade. Since the folded blade is covered by the handle back, the Rocket could be designed with a symmetrically ground blade.