The Kershaw 1620SWBLK Scallion Assisted Opening Knife Black Stonewash Plain Edge. The Kershaw Scallion has black anodized 6061-T6 aluminum handle scales over a stainless steel liner lock frame. The 420HC steel blade comes in a stonewash finish with a plain cutting edge. This SpeedSafe assisted knife features dual thumb studs and a flipper for easy one-handed operation. Comes with a tip safety lock to prevent misfires. The stainless steel pocket clip is tip-down for convenient carry. Ken Onion design.