✅ Replaces: Hitachi: 885-870 ✅ Heat treated tool steel 6150 - Rockwell hardness 50-52 ✅ Aerospace grade #2024 Aluminum piston ✅ Compatible With NT50AE2 2" 18-Gauge Brad Nailer | NT50AE2(S) Brad Nailer ✅ NT50A5 Brad Nailer | NT50A5M 2" 18-Gauge Brad Nailer

