This Maped Expert Heavy Duty HD90 stapler, compatible with 23/6-13 and 24/6-10 staples, is a robust tool designed for intensive office use, capable of stapling thicker documents than standard staplers. The black finish provides a professional and durable look. This stapler from Maped's Expert line is a reliable choice for businesses and professionals who need to staple large quantities of paper consistently, ensuring durability and performance in demanding work environments.