131 x 3-1/2" Clipped Head, Smooth Shank, Bright, Basic Paper Tape, 34 Degree, Collated Framing Nail. Comes with 3,000 to a pack. For use in Serco Frame Pro model No. 650/600, SN70, 601 and 701XP, 901XP and GT90CH cordless nailer. Also for use in Porter Cable model No. FC350, Hitachi model No. NR-83AA, Paslode model No. 5000 to 5312, 5300, 5325. Fewer tool jams when using Serco nails compared to competitive products.