This is an RCBS Case Master Gauging Tool, perfect for precision reloading. It comes with a dial indicator that measures from 0.001" to 0.25". The tool is in excellent condition and includes the original manual. Ideal for serious reloaders needing accurate case measurements. $95-10%=$85.50. Ensure consistent and precise ammunition with this reliable gauging tool. It helps with critical measurements for bullet seating depth, case length, and more. Please see my other ads. Thanks, Joe.