These chisel point staples of high-carbon steel wire are perfect for Max heavy-duty and flat clinch staplers. High-quality galvanized finish. 1/2" crown. Global Product Type: Staples, Staple Cartridge Type: N/A, Staple Type: Heavy-Duty, For Use With: Max Heavy-Duty Staplers (HD-12N/17, HD-12N/24, HD-12F), MXBHD12F/High-Capacity.