F21B Black Baton - 21" Expandable Friction Lock. Lightweight Shaft Weighs 45% Less withFoam Vinyl Grip. The ASP Friction Loc Baton is the most tactically sophisticated impact weapon currently available to law enforcement personnel. Tested bythe most elite federal teams, the Friction Loc has proven itself virtually indestructible. Thisis the first choiceof the worlds most tactically advanced law enforcement agencies. Easily carried and readily available,ASP Friction Loc Batons haveanincredible psychological deterrence and unparalleled control potential.The premium materials, exceptional workmanship and flawless function of the ASP Friction Loc set it apartfrom all others in quality, durability and performance. In every detail, these are the finest impact weapons produced.