7,200 count, 1-1/4" length x .120" diameter, galvanized finish, 15 degree wire weld collation coil roofing nail, smooth shank, plain coating, fits senco scn40r, sc200r, roofpro450, roofpro450s, bostitch n12-b, rn45, rn46, hitachi nv45ab, max cn450r, porter-cable rn45, rn175a, atro cn-134, campbell hausfield nc 1545, dewalt d51321, fasco f4-cnw15-45, hilti rfc-134b, makita an-451, spotnails vrn45, applications include fastening asphalt & fiberglass shingles, siding & vapor barriers.