Heavy-duty stapler is designed for high-volume stapling of up to 100 sheets with minimal effort. Anti-blocking system prevents internal jams from occurring for hassle-free performance. Dual-staple guide system provides excellent performance and ensures each leg of the staple has even pressure until it clinches your documents. Automatic bypass system provides the convenience of using larger staples on smaller projects. Sliding adjustable-depth guide allows you to set the staple location and clinch the perfect spot on every stack. For stability, this stapler includes nonslip rubber feet to prevent it from moving while stapling.Heavy-duty stapler is designed for high-volume stapling of up to 100 sheets with minimal effort. Anti-blocking system prevents internal jams from occurring for hassle-free performance. Dual-staple guide system provides excellent performance and ensures each leg of the staple has even pressure until it clinches your documents. Automatic bypass system provides the convenience of using larger staples on smaller projects. Sliding adjustable-depth guide allows you to set the staple location and clinch the perfect spot on every stack. For stability, this stapler includes nonslip rubber feet to prevent it from moving while stapling.