Arch Punch for .45 caliber cards and wads. Tempered steel, by Osborne. Made in the U. S. A. This punch is 15/32" (.468") diameter, ideal for .45 Colt, .45-70 Government, .45-90 WCF, .45-100 Sharps, .45-110 Sharps, .45-120 Sharps, and similar .45 caliber cartridges.