The ASP Sentry Baton S21 is the perfect self-defense tool for law enforcement and security professionals. With a fully extended length of 20" (7 5/8" closed), this baton is made of 4130 steel for superior strength and durability. The black chrome finish provides a sleek, professional look. The Friction Loc locking system ensures that the baton stays securely in place, while the DOM tubing provides additional stability. The Santoprene grip material ensures a comfortable, non-slip grip. The aluminum cap with E-coat finish protects the baton from wear and tear. The Sentry Baton S21 is compatible with the entire family of ASP accessories, making it the perfect addition to your self-defense arsenal.