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 / 0.28in ( Manual Measurement, Slight Error May Exist )Paper Feed Depth: Approx. 22mm / 0.87in ( Manual Measurement, Slight Error May Exist )Punching Thickness: Approx. 3mm / 0.12in ( Manual Measurement, Slight Error May Exist )Product Size: Approx. 16.5 x 9 x 4.5cm / 6.5 x 3.5 x 1.8in (Manual Measurement, Slight Error May Exist)How to Use:How to replace knife core:1. Take off the shim first.2. Unscrew the fixing screw of knife core.3. Pull it out and replace the knife corepacking list:1 xSingle Hole PunchNotice:The punch thickness should be properly reduced if the material has high hardness.

Smoothing Punching: This single hole puncher with strong penetrating power will not produce burrs when punching.A hinged compartment holds punched paper chips. Opens easily to allow disposal of scraps right into the waste basket.Welcome inquiries. Strong Metal: This single hole punch adopts chromed metal material, which ensures high hardness and longer service life.Convenient chrome punch fits easily in pockets and backpacks. Compact enough to take along to work, school or anywhere you need it. 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.The size of the single hole punch's handle meets the requirements of ergonomics, can easily punch the hole you want. 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. Comfortable Handle: This 1 hole punch is design with comfortable handle that conforms to lever principle, providing easy and comfortable grip.Cleanup of punched holes is simple. A hinged compartment holds punched paper chips. Opens easily to allow disposal of scraps right into the waste basket.