Item Type: Hole puncher Color: White / light blue / dark blue (optional) Aperture: Approx. 6mm / 0.2in Paper Feed Depth: Approx.7mm / 0.3in Hole Spacing: Approx. 9.5mm / 0.4in 1Suitable for binding A4 (30 holes), B5 (26 holes), A5 (20 holes) binding loose-leaf handbooks, etc. Also this paper puncher is fit for DIY binding for up to 5 sheets of 70g paper each time. 2Paper puncher is with independently cast metal blade for sharp edge, which is durable. 3Ruler comes with graduation marks to accurately position the edge of A4, A5, B5 paper. 4A scrap box is attached at the bottom, which is convenient for storing punched scraps. 5There are movable positioning columns on both sides of the fuselage to assist in positioning the future drilling hole distance.1 x Hole Puncher2 x Ruler