New Genuine Bosch 16170006A5 Hammer Piston for GBH 3-28 DRE, GBH 3000, GBH 4-28-DFR, GBH 2-28 D, GBH 2-28, GBH 2-28 DV, GBH 2-28 DFV, GBH 2-28 F, GBH 36 V-LI, GBH 36 V-LI Plus