These high-quality brass-plated eyelets are designed for use with the Akiles Eyelet Punch. Each eyelet measures 4.8 mm x 4.6 mm and can hold up to 30 sheets of 20 lb. bond. These eyelets are packaged with 250 per bag and offer an excellent, economical way for you to bind your documents, samples, and other items. Check them out today!