For use with your paper drillsIt would work for any similar application were a hole is needed in thin,such as the plastic sheet,non abrasive or metallic material, paper, thermoplastic, plastic foam... Product Name: Hollow Paper DrillFeature: Taper Shank(do not need screws)Main Color:SilverPunching Length: 35mm/1.38"Punching Diameter: 4mm/0.16"Shank Diameter:10.7-11.7mmTotal Length:70mm/2.75" Package Content:2pcs x Hollow Paper Drill.
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