Lyman E-Zee Case Gauge II 7832215 is an easy-to-use, full-size gauge that measures case lengths of over 70 popular rifle and pistol cases. The Lyman E-Z Case Gauge features "Plus" images which indicate when an item has been improved. Also, this item has the original etched data sheets which list the case specifications with a reloading tool tip. In addition, it includes the Winchester Short Magazine, 204 Ruger, 500 S&W and others which have been added to the data base of cartridge cases. Lyman Case Gauges are numbered and stamped with precise dimensions for each case. The gauges are made of durable metal and features an attractive retail package. The Lyman E-Z Case Gauge II is a versatile and handy reloading tool which can be used by the novice or the seasoned reloader.image