Allstar Performance 5/8" -18 RH Thread Jam Nut - ALL18292 Steel, Zinc Oxide Wrench Size: 3/4" Quantity: 4 Specialty Jam nuts have smaller outside diameter allowing smaller wrenches to be used when changing radius rod lengths. (ex: With 1/2" bolts the same 3/4" wrench can be used to adjust radius rod or mounting hole locations)
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