ASP S21B Sentry Baton - Black Chrome. The S21B Sentry Baton by ASP features a less expensive 4130 steel injection molded wave pattern grips black textured caps and a black chrome finish. A complete list of tactical batons is offered by ASP in our ASP tactical batons section of our store so make sure to check us out. Specifications for ASP S21B Sentry Tactical Baton - Black Chrome 52400: Manufacturer: ASP Closed Length: 7.625 in Handle Material: Aluminum Blade Material: Aluminum Blade Length: 20 in Features of ASP 52400 S21 Black Chrome Sentry Tactical Baton 4130 steel Injection molded wave pattern grips Black textured caps Black chrome finish Package Content ASP S21B Sentry Tactical Baton - Black Chrome 52400 ASP S21B Sentry Baton - Black Chrome 52400