Metabo HPT Nail, Collation Type: Straight, Head Type: Finish, Material Gauge: 16 ga, 1-3/4 in L, Electro-Galvanized, Suitable for: NT50A5 2 in 18 ga Pro Brad Nailer, NT1850DFT 2 in 18 V Multi-Volt 18 ga Cordless Brad Nailer, NT50GSP9, NT50AE2, NT1850DE, NT1850DES and NT1850DF 18 ga Brad Nailers