SOG Knives & Tools Pentagon XR, Folding Knife, 3.6 Straight Spear Point, G10 Grips, Olive Drab Green Handle, CTSXHP Steel, Black Titanium Nitride Finish, Black SOG-12-61-02-57 A folding knife 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. SOG's 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 pocket knife capability backed by Pentagon's proven pedigree.