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Model

Sustaining Capacity (tons)

Stroke (in.)

Maximum Pipe Length (in.)

Maximum Extended Height (in.)

Weight (lbs.)

Mine Roof Support Head Assemblies

MS9L (FS / S)

8

15

51.75 / 73.25

73 / 93

19

MS17L - FS

16

15

46.25

68

34

Base MB17

16

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6

Model

Sustaining Capacity (tons)

Stroke (in.)

Minimum Height (in.)

Weight

Complete Unit: Ratchet Lever Series

A9225 Family

4

20 - 38

39 - 88

29 - 48

Complete Unit: Screw Extension Series

139A Family

5

24 - 36

42 - 78

50 - 64

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Imperial

Metric