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Uses
Apply to drilling holes in tower installing.  | 
Specification
Dirll is puchased in additional.  | 
| Item No. | Model No. | Weight (kg)  | Notch Length (mm)  | Drill Dimension (mm)  | 
| 0704 | SJZ-1 | 8.0 | 70 | Ф13.5 Ф15.5 Ф17.5 Ф19.5 Ф21.5 | 
| 0705 | SJZ-2 | 12.0 | 150 | 
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