The A7074855E Swingline Replacement Head comes 1 to a pack in a 9/32 Inch hole size. New punch heads are the key to maintaining precision cutting and top performance and this replacement punch head is designed for use with the A7074300 and A7074250 punches (sold separately). The punch head is made with heavy duty die-cast construction for long-lasting use and unmatched durability. Swingline, a leading brand in workspace tools for the business, home and mobile office for over 80 years continues to introduce new staplers, sharpeners, punches and trimmers that solve common workplace frustrations and increase productivity. With unmatched quality, durability and performance, Swingline products are truly designed for the way you work!