1,000 Count, 1-1/4", 18 Gauge, Coated Brad Nail, Fits Bostitch 18 Gauge Nailers: GBT1850K, SB-1850BN, SB-2IN1, BT125K-2, BT200K-2, BT1855K & Fits Porter Cable BN138, BN125A, BN200A, DEWALT: D51236K, D51238K, DC608K.