Designed for defense, the easy to carry SOG Pentagon XR features a 3.66 cryogenically heat-treated CTS XHP stainless steel, wide spear point blade and ultra-grip G10 handle. SOGs XR Lock enables smooth ambidextrous single-handed opening in three different ways with distinguishably solid blade-lock once open with fixed-blade-like feel and confidence. The next level of enhanced capability backed by Pentagons proven pedigree.