It uses valvingclaw structure and has characteristics of high resistance to tension, reliable off-claw and easy fishing, etc. Our company can design and manufacture different types of pipe string tool of anchorage fracture and acid of separate layers according to user's needs.
| Type | Up sand blast | Middle sand blast | |
| Max ODmm | 92-100 | 92-100 | |
| Min bore sizemm | 42 | 36 | |
| Sliding sleeve clipping pressure difference MPa | 1417 | ||
| Two end connection threads | 2 7/8TBG 2 7/8UPTBG | ||