Feature:1. Strong Metal: This single hole punch adopts chromed metal material, which ensures high hardness and longer service life.2. Effort Saving: This one hole punch is equipped with a shim that can can help the punch easily penetrate the material while protecting the blade.3. Wide Application: This single hole puncher is suitable for punching paper, cardboard, photos, business cards, ID cards, bank cards, membership cards, tickets, badge holders, PVC packaging hard plastic bags, etc.4. Comfortable Handle: This 1 hole punch is design with comfortable handle that conforms to lever principle, providing easy and comfortable grip.5. Smoothing Punching: This single hole puncher with strong penetrating power will not produce burrs when punching.Specification:Item Type: Single Hole PunchMaterial: Chromed IronMain Use: Equipped with Hollowed Knife Core with High Sharpness That Can Punch Holes on Plastic PE Bag, OPP Bag, PVC Bag, Plastic Packaging Photo, Catering Box, Nonwoven Fabric, Film and Other MaterialHole Diameter: Approx. 7mm or 0.28in ( Manual Measurement, Slight Error May Exist )Paper Feed Depth: Approx. 22mm or 0.87in ( Manual Measurement, Slight Error May Exist )Punching Thickness: Approx. 3mm or 0.12in ( Manual Measurement, Slight Error May Exist )Product Size: Approx. 16.5 x 9 x 4.5cm or 6.5 x 3.5 x 1.8in (Manual Measurement, Slight Error May Exist).Package List:1 xSingle Hole PunchNote:The punch thickness should be properly reduced if the material has high hardness.