TIANSE Binding Machines, 21-Holes, 450 Sheets, Comb Bind Machine Book Maker with 100 PCS 3/8'' Comb Binder Spines Starter Kit, Comb Binding Machine for Letter Size, A4, A5 or Smaller Sizes

【Easy to Use: Punch & Bind】: Just Punch and Bind, two simple steps. Manually punches up to 15 sheets of paper at a time and binds up to 450 sheets with 2’’ comb spines, allows you to create professional-looking bound books at home or in the office quickly and easily (Cannot be punched with laminated paper) 【Adjustable Margin Design】:TIANSE comb binding machine is suitable for Letter Size (19 holes), A4 Size (21 holes), A5 Size (15 holes). With adjustable edge guide, this machine also ensures a precise alignment with each document your bind, and you can easily customize the paper margin: 3mm, 4mm, 5mm to create professional-looking works 【Professional & Customizable Binding】: Advanced carbide cutting blades ensure accurate cutting power, allowing you to punch holes in up to 15 sheets of 80g(paper thickness≈20lb) paper at a time without any misaligned holes or loose pages with burrs, greatly saves your time and energy 【Humanized Design & Detailed Craftsmanship】: Dual functional handle to punch and bind easily, saves both time and energy, allowing you to manually punch holes in your documents either left- or right-handed; Solid metal construction for long-lasting use; Non-slip feet design on the bottom, waste drawer for keeping paper scraps, and integrated document measurement device for added convenience and quick set-up 【Value Preferred】: The binding machine comes with starter kit 100pcs of 3/8’’ 21-ring black plastic comb spines (To keep the machine sustainable, we apply lubricant to the machine, please use the included oil-absorbing paper to bind it before you start using it)