Bostitch's 1-1/2 in. x .120 Flat/Round-Head Smooth-Shank 15°-Angled Galvanized Diamond-Point Wire-Coil Roofing Nails are wire-collated at a 15° angle for smooth feeding in compatible coil roofing nailers, helping minimize downtime on the jobsite. The flat/round head design offers broad surface contact for strong shingle retention and code-compliant fastening. With 7,200 nails per pack, this bulk roofing fastener solution supports professional contractors and large-scale projects that demand efficiency, reliability, and consistent performance across every installation.