ASP Baton - 21" Expandable Friction Lock (All Types) This 21" ASP Baton is the preferred choice for military and police personnel. Many Police Departments have switched from the old wooden police baton to the ASP baton and have seen their complaints drop significantly. Used by elite Federal teams, the ASP Baton has proven itself “virtually indestructible.” The first choice of the world’s most tactically advanced law enforcement agencies. Easily carried and readily available, ASP Batons have an incredible psychological deterrence and unparalleled control potential. The premium materials, exceptional workmanship and flawless function of the ASP Baton sets it apart from all others in quality, durability and performance. In every detail, this is the finest impact weapon produced.