Kershaw Blur - Ken Onion, Speed Safe Action, by Kershaw Knives. The Kershaw Blur knife features: 3 1/2" stainless steel drop point blade with dual thumb studs for ambidextrous one hand opening, and Ken Onion Speed-Safe assist; and anodized 6061T6 aluminum handle, 4 1/2" closed, with textured Trac-Tec inserts, liner lock, and end to end reversible pocket clip.