Simpson Strong-Tie S15N150SFB 1-1/2" 15ga 304SS Angled Finish Nails 500ct For more than 50 years, Simpson Strong-Tie has focused on creating structural products that help people build safer and stronger homes and buildings. A leader in fasteners and technology, Simpson is one of the largest suppliers of structural building products in the world. Simpson is committed to consistent quality for all products. Features Fits in Senco style Finish Nailers 304 Stainless Steel 500 nails per box USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.