1" to 2" Assorted Lengths, Galvanized, 23 Gauge, Straight Collation, Micro Pin Nail * Comes with 2,600 to a pack * 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