Precision-engineered chisel points for easy paper penetration and less jamming Each strip contains 100 staples. Designed for use with heavy-duty staplers. Swingline Staplers & Staples part of a large selection of office supplies. Swingline(R) Heavy-Duty Staples, 3/8in., Box Of 5,000 is one of many Staples available through Office Depot. Made by Swingline.