Model
Applicable Size (in)
Rated Load(t)
Drilling Pipe
Case
Tubing
DD-100
2-3/8~5-1/2
4-1/2~5-1/2
2-3/8~4-1/2
150
DD-250
2-3/8~5-1/2
4-1/2~5-1/2
2-3/8~4-1/2
250
DD-350
2-3/8~5-1/2
4-1/2~5-1/2
2-3/8~4-1/2
350
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