2,800 count, 1/2" to 1" assorted lengths, galvanized, 23 gauge, straight collation micro pin nail, standard tensile, headless. Fits senco finishpro10, finishpro11, porter-cable pin100, accuset a100mp, applications include fastening small decorative trim, glazing bead, carvings, picture frames & molding with nearly no visible hole to fill & no splitting.