Air hammer.
1. Blow per minute (bpm): 2000.
2. Bore: 1-1/8".
3. Stoke length: 2".
4. Chisel shank (type A5): 680.
5. Air inlet (npt): 3/8".
6. Hose size (id): 1/2".
7. Air pressure (psi): 90.
8. Avg air cons (cfm): 20.
9. Length: 15-1/2".
10. Weight: 7 kg.