With an improved design over Lyman&';sA(R) previous case gauges, the E-Zee(TM) Case Gauge II measures the case length of more than 70 popular rifle and pistol cases. Precisely made with easy to read markings, this rugged metal gauge makes sorting cases quick, easy and accurate. Gauge features measures for several popular new cartridges, including the Winchester Short Mags, the 204 Ruger, the 500 S&W, and more. Weight: 7 oz. Measures case length of more than 70 popular rifle and handgun cases Precisely constructed Rugged metal gauge Includes measure for many popular new cartridges