The Stanley Bostitch 651S5 is a sheathing stapler designed with easy to use features for the contractor. Key features include a flip open nose design for easy jam clearing, adjustable depth of drive, vinyl siding adapter for proper siding installation, adjustable rafter hook, a contoured grip for comfort, and a selectable trigger for tool free switching between contact and sequential operation. It is lightweight at only 4.2-Pound and powerful with a rapid fire engine that drives 10+ nails per second. with the 2-Inch capacity it is perfect for applications such as plywood sheathing, roof decking, wood shingles, and vinyl siding. .