Metabo HPT Framing Nail, Collation Type: Plastic, Collation Angle: 21 deg, Head Type: Full Round, Point Type: Diamond, Shank Type: Smooth, 0.131 in Dia, 3-1/4 in L, Steel, Bright, Suitable for: NR83A5, NR83A5(S), NR90AC5, NR90AE(S1) and Cordless NR1890DR Metabo HPT Nailers