BOSTITCH S16D131-FH 28 Degree 3-1/2-Inch by .131-Inch Wire Weld Framing Nails (2,000 per Box) Full Roundhead 3-1/2" x .131" 28 Degree Wire Collated Framing Nail Coated finish eases penetration resistance and increases holding power. Smooth shank geometry delivers acceptable withdrawal capacity when extra holding power is not required. 2,000 per Box Works in: F28WW, N88WWB, N79WW, N80SB