Key features

• •【Electric Coil Inserter】Hands free opporation. Create professional-looking bound books at home or in the office quickly and easily. The coil binding machine electronically inserts plastic coils for faster binding, saves time and effort for large workloads;
• •【Professional & Customizable Binding】46 Disengaging Pins Die design, specially designed for all major sheet sizes including Letter Size; Open-throat design allows you to insert large and non-standard page sizes to meet the specifications of your unique project;
• •【Adjustable Margin Design】TIANSE comb binding machine is suitable for Letter Size (19 holes), A4 Size (21 holes), A5 Size (15 holes). With adjustable side and edge guide, this machine also ensures a precise alignment with each document your bind, and you can easily customize the paper margin: 2.5mm, 4.5mm, 6.5mm to create professional-looking works;
• •【Humanized Full Handle】Our sturdy-grip handle allows you to punch holes in your documents either left- or right-handed. Simply apply steady pressure to punch holes in up to 12 sheets of 80g(paper thickness≈20lb) paper at a time. You can insert up to 2" diameter coils by hand or up to ⅞" coils using the electric coil inserter;
• •【Great Value for Money & 1-Year Warranty】Our binding machine comes with 100pcs of 3/8'' 21-ring black PVC comb spines starter kit and coil crimper pliers, no need to buy separately, save your money. It's an excellent addition to any school or small office environment. This binding machine utilizes 4:1 pitch plastic binding coils.