This flange spreader can be used for 150 to 1, 500 lb flanges (3" is for 150 to 400 lb). Drive can be rotated by 1 3⁄8" wrench or 1⁄2" bar.
This listing is for each.
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Industrial & Scientific > MRO Products & Supplies > Material Handling Products > Jacks & Hydraulics > Hydraulic System Components