21 Hole Punch Binding Comb Machine with Binding Combs - Paper Scrapbook for A4 A5

[MATERIAL]: The main body of the product is made of steel. [SIZE]: Distance between holes:14.3mm; Machine Dimension:370*260*235mm. [HIGH PERFORMANCE]: Up to 12 sheets can be punched at a time and up to 450 sheets of paper can be combined together. [ADJUSTABLE MARGIN]: The centering guide rail is designed to adjust the edge distance, and the adjustable distance is 3 / 4 / 5mm. [MULTI-PURPOSE]: It can easily create a professional appearance report with high-quality binding, including cover and back cover; it is widely used in offices, schools, factories, DIY, and other occasions.