Features 1、SPECIFICATIONS: The hole diameter of the punching tool is 3mm, the paper depth is 53mm, and the center of the hole is exactly 53mm from the edge. 2、STAINLESS STEEL: The hole puncher is made of stainless steel with a plating finish, which is rustproof and durable, corrosion and oxidation resistant. 3、HIGH EFFICIENCY: This manual hole puncher can punch 20 sheets of paper (regular A4 paper) at once, greatly improving work efficiency. 4、APPLICABLE CARD: This metal hole punch is suitable for punching clean circular holes on paper card, PVC card, bank card, and membership card. 5、EASY OPERATION: The punching tool has large handle, spring design that greatly improves the labor saving effect, ensuring safe operation. Specification Item Type: Hole Puncher Product Material: Stainless Steel Hole Diameter: Approx. 3mm / 0.12in Paper Entry Depth: Approx. 53mm / 2.09in Package List 1 x Hole Puncher