Not real sure what you're asking, but if you mean the nut that holds the arm on to the drive spindle at its base, mine is sort of a strange acorn nut. More cover, but the top of the nut is solid. Make sense?
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2015 Legacy SR340 360RB with 2014 Wrangler Unlimited Toad
Gigi, Poppy and Sadie the Jack Russell (all 14 lbs of her)
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2015 Legacy SR340 360RB
2014 Jeep Wrangler Unlimited Toad
Gigi, Poppy and Sadie Lady...On the road, but not full time!
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