Kershaw's Blur features 3 1/2" 440A stainless steel drop point blade with dual thumb studs for ambidextrous one hand opening, and Ken Onion SpeedSafe assisted opening technology. Razor-sharp 440A stainless steel blade Non-reflective black coating SpeedSafe assisted-opening mechanism 6061-T6 anodized aluminum handle Textured "Trac-Tec" handle inserts Measures: 3 1/2" blade; 4 1/2" closed