Ball safety clamp
- Used as device to clamp the rods, holding the string weight of drills rods in a hole.
 Ball safety clamp |
| Description |
| Rod of 32 |
| Rod of 42 |
| Rod of 50 |
| Components |
| Steel ball D = 20 mm |
| Steel ball D = 22 mm |
| Steel ball D = 25 mm |
| Steel ball D = 27 mm |
| Steel ball D = 30 mm |