Precision U.S. Specialty Multi-Gage 12 Measuring devices in one! Includes..... Speciality Perforation Guide, Bureau Issies. Standard Analog Perforation Guage. Grill Pattern Gauge. Go-NoGo Grill Size Gauge. Cancellation Diameter Gauge. Liberty Issues of 1954. Parallel Line Millimeter Gauge. Go-NoGo Frame Size Milliometer Gauge. Go-NoGo Rotary/Flat Plate Press Gauge. Private Perforation Identifier. Standard 240 Millimeter Scale. Guide Dot Locator. ***New and Improved Design.. Revision 5.1.