Features Aluminum Alloy The single hole punch is made of excellent aluminum alloy with high strength, corrosion and impact resistance and long service life. Hole Punch Size This hand punch can punch round holes of 8mm or 5/16" with only one hole at a time, making it easy and labor saving. With Clear Scale:There are clear scales on the side of the hole punch, which facilitate the accurate location of the hole position and improve punching efficiency. Applicable material: these punch pliers are suitable for punching cards, photos, thin PVC, edge strip, handmade materials, thin wood and other materials. Wide Application This punching tool has a wide range of applications, including punching edge ribbons, bank cards, hard foil, tickets, greeting cards, etc. Specification: Item Type:Single Hole Punch Material: aluminium alloy. Package list: 1 x single hole punch. 1 x spring Package List 1 x Single Hole Punch 1 x Spring