This latest version, the M4-02M, features a striking satin-finish blade and a handle made of white, resin-infused fiber with black G10 bolsters. Features fast opening with outburst assisted opening deploys the blade fast, easy to sharpen with a high carbon stainless steel blade takes an edge well, strong and visual with Resin infused fiber handle with G10 bolster combines strength with visual appeal, and easy closing liner lock can be easily closed with one hand. Includes pocket clip.