Features 1、Preset Sizing Options: This hole puncher features a positioning ruler for A3, A4, A5, B3, B4, and B5 paper sizes, enabling you to create custom binders, reports, and study materials with ease. 2、Adjustable Hole Spacing: The six hole design accommodates a variety of paper formats, with an adjustable 7mm punch depth and positioning limiters for accurate and aesthetically pleasing hole placements. 3、Stable and Safe Design: Equipped with a three dimensional plastic base, this hole punch collects paper scraps while providing a non slip, stable appearance that defends your desk from damage during use. 4、Easy to Use: Featuring user friendly adjustments, this punch allows for quick and efficient work, making it a very tool for students, professionals, and anyone who manages documents. 5、Robust Construction: Crafted from alloy materials, this hole punch ensures longevity and reliability, providing consistent performance for all your binding and document organization needs. Specification Item Type: 6 Hole Paper Punch Material: Alloy Punching Capacity: 6 sheets of 70g paper Paper Depth: Approx. 7mm / 0.28in Hole Diameter: Approx. 5.5mm / 0.22in Hole Spacing: Approx. 19mm / 0.75in Compatible Hole Numbers: Standard 6 hole punch for A4, A5, A6, A7, B5 paper Adjustable Hole Spacing: 19, 38, 51, 70mm center adjustable Package List 1 x Hole Puncher