The ergonomically designed stapler features an extremely comfortable yet stylish rounded shape. The hand-massaging raised bumps provide an optimum grip, easy stapling and maximum control. With all metal construction for durability and performance, it will easily and consistently staple up to 20 sheets. For added convenience, it can be effortlessly opened for bulletin board tacking and craft applications. The versatile Dual Clinch system easily adjusts with just a simple twist for either permanent or temporary stapling. So you are never caught by surprise, the staple reload window alerts you when it"s time to reload staples. Lifetime Limited Warranty