1、Aluminium Alloy: The single hole punch is made of excellent aluminum alloy, with high strength, corrosion and impact resistance, and long service life. 2、Hole Punching Size: This handheld puncher can punch 8mm or 5/16 inch round holes, with only one hole at a time, making it easy and labor saving. 3、With Clear Scale: There are clear scales on the side of the punch, which facilitate accurate locating of the hole position, improve punching efficiency. 4、Applicable Material: This punch pliers is suitable for punching cards, photos, thin PVC, edge strips, hand made materials, thin wood, and other materials. 5、Wide Application: This punching tool has a wide range of applications, including stamping edge bands, bank cards, hard films, tickets, greeting cards, etc.