1、[Specification] The punching thickness is 7mm, hole diameter is 5mm, it can punch 5 sheets A4 paper in one go, hole spacing is 9.5mm. 2、[Clean Without Leaving Debris] The base of the hole puncher collects debris clean and hygienic, keeping the desktop tidy and clean. 3、[Durable Exquisite] With metal structure, the small hole puncher is sturdy and durable, compact and exquisite, easy to carry and use. 4、[Easy Operation] The number of new holes is controlled by the hole position of the limit post, and the scale line of the ruler can accurately position the edge of the paper. 5、[Wide Application] Suitable for A4 (30 holes) B5 (26 holes) A5 (20 holes) loose leaf inner page punching, with multi hole clips, this hole puncher can be DIY binding to make exclusive report file data. 1 x Hole Punch2 x Positioning Ruler Item Type: Hole PunchMaterial: Iron, PlasticSize: Approx. 6.9 x 5 x 6.1cm / 2.7 x 2.0 x 2.4inFunction: Suitable for A4 (30 Holes) B5 (26 Holes) A5 (20 Holes) Loose Leaf Inner Page Punching, with Multi Hole Clips, It Can Be DIY Binding to Make Exclusive Report File DataNumber of Punched Sheets: 5 Sheets of A4 Paper (Once)Punching Depth: Approx. 7mm / 0.28inPunching Diameter: Approx. 5.5mm / 0.22inHole Spacing: Approx. 9.5mm / 0.37in