Standard Staples. 1/4 of an inch in length and have beveled tips.
Heavy-Duty Staples. They come in 1/4-inch, 3/8-inch, 1/2-inch and 3/4-inch lengths. The points are chiseled to penetrate more material than a standard staple.
Mini-staples. These lighter, smaller staples travel well and take up less space
Construction Staples. These staples are thick and have highly chiseled tips.