RCBS Case Master Gauging Tool - $107.94

A quick, convenient way to determine important case and cartridge dimensions. Measures case neck concentricity, case neck thickness, case length and bullet run-out, all of which are important to accuracy and safety of hand-loaded rounds for top-grade performance. Detects case head separation before symptoms are apparent on the outside of the case. Works faster then a caliber. Accurate to .001. - $107.94