Spyderco C10P Endura 4 Spyderco Endura 4, Stainless Steel, Plain Edge ThisEndura 4 has Stainless steel handles, four-way pocket clips. Hollow ground, David Boye dent on the lockback round out this knife. Blade Steel: VG10 SS Blade Thickness 1/8" 3mm Clip Reversible ambidextrous Diam. Blade Hole 15/32" 12mm Edge Type Plain Edge Handle Material Stainless Steel Hardness 59-60 Length Blade 3 15/16" 100mm Length Cutting Edge 3 7/16" 87mm Length Overall 8 13/16" 223mm