Rear exhaust port releases air away from you and the work surface, Non marking tip minimises any damage to the work surface, Quickly change how the staple sits in the wood with the tool-free depth adjuster, Oil-free tool eliminates the risk of damaging or staining the work surface, Contact trigger included. Tool-Free Depth-Of-Drive Mechanism - For precise countersinking of staples Selectable Trigger System - Sequential or contact operation Oil-Free Operation - Eliminates the risk of oil stains Split Nose Design - For easy removal of jammed staples Reversible Belt Hook - To keep tool close to user Rear Exhaust, Pencil Sharpener & ¼” Swivel Air Fitting Includes Carrying Case