Binding Machines From Tianse, 21-Holes, 450 Sheets, Comb Bind Machine Book Maker Product Details ?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; ?Professional Customizable Binding?: Professional comb binding machine specially designed for all major sheet sizes including Letter Size (with Letter Size mark on the baseboard for accurate punch alignment); Open-throat design allows you to insert large and non-standard page sizes to meet the specifications of your unique project; ?Advanced Sharp Cutting Blades?: 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; ?Great Value For Money Lifetime Warranty?: 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) Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.