Senco Staplers are pneumatic power tools that are constructed of an aluminum framed body and is ideally used with air compressors to reduce the amount of force needed to secure the materials. The 16 gauge siding stapler has a fast-action capability that will increase productivity when installing roof and floor decking, sheathing, vinyl, siding, sub flooring, and fascia and soffit. Senco's 18 gauge medium wire stapler is heavy duty and ideal for securing cabinets, drawers, molding, siding, and trim. The 21 gauge BC58 cap stapler is ideal for installing house wrap, foam board, and felt paper. All Senco Staplers are backed by a 5 year warranty and manufactured in the USA.