Time required: 3 ~4 HR
1. Shockless Hammer
2. Convenient to use in narrow places
3. Maintenance, replacement of cork used
4. Save you a lot of time*
5. Ratchet *
6. Use Pipe cutter to make scar barrel, the blade should not be too thick.
7. Sand,Used to reduce noise
8. Lighter,Soften 3d printed parts.
9. Carving knife to remove surface bumps