The Bostitch N66BC-1 Coil Cap Nailer has a tool-free “Dial-A-Depth adjustment that sets nails to desired depths quickly and conveniently. It has a lightweight magnesium design for added durability. The quick-load magazine feature provides fast and easy loading of caps and nails. The tool-free adjustable exhaust conveniently directs exhaust away from the user. This cap method proves to be 10x faster than nailing by hand and the 1 caps provide superior hold and increased productivity.. Tool-Free "Dial-A-Depth" Adjustment Sets Nails To Desired Depths Quickly And Conveniently. Lightweight Magnesium Design For Added Durability. Quick-Load Magazine Feature Provides Fast And Easy Loading Of Caps And Nailsdriving Power500 Inch Lbs @ 100 Psifastener Range1 1/4" To 2 1/2" Wire Weld And Plastic Inserted Coil Nails (.080" - .092")Magazine Capacity300 Nails. Tool-Free Adjustable Exhaust Conveniently Directs Exhaust Away From The User. Cap Method Proves To Be 10X Faster Than Nailing By Hand