Spot Nails Spot Nails 7516PS-4.5M 15 Gauge 1/2-inch Crown 304 Stainless Steel Staples with 2-inch Leg Similar to Bostitch 15S4 4,500 per Box Interchanges with Bo stitch 15S4 staples 4, 500 staples per box 304 Stainless Steel