This Combo Nailer Drives both Brads and Staples for a wide variety of Practical use. It is Tool-Free Adjustable Exhaust Directs Exhaust away from you and your work piece. This Powerful Nailer has a Magazine Capacity of 70 Brads or 70 staples; it operates at 70-120 psi, with a thread Fitting Type of 1/4" NPT. It accepts brads from 3/4" to 2", and it takes staples from 3/4" to 1 1/2" inches. It Definitely has the Burliness of an Industrial Tool.