2" Length, Galvanized, 23 Gauge, Straight Collation, Micro Pin Nail. These pins are for use in Serco FinishPro 10 nailers and all other 23-gauge straight micro pin nailers. Applications include fastening, small decorative trim, carvings, picture frames and molding. Provides nearly no visible hole to fill and no splitting. Comes with 2,600 to a pack.