SpotNails X1S1640 16 Gauge 1-inch Wide Crown Stapler for Bostitch S2 type staplesSpot Nails XS1640 16 Gauge 1 inch Wide Crown Stapler for Bostitch S2 type staples Spot Nails is the top manufacturer of interchange tools and fasteners with a large selection in most every collated category. Their products are manufacture red to the highest quality standards for the professional contractor. Accepts Bo stitch S2 series staples Accepts Spot Nails 1600 series staples Quick Clear Nose Plastic Carrying Case Included