Zero Tolerance Hinderer 0550BLK Limited Edition Serialized Black Framelock. 4 1/2" closed. 3 1/2" Crucible S35VN stainless 6AL4V titanium frame with textured black G-10 front scale Four way reversible stainless pocket clip high performance steel offers high wear resistance, increased toughness, and resists edge chipping Limited Edition Serialized Rick Hinderer Design