WTB Axis Floyd Rose arm

Does anyone have a spare floyd arm with the hex screw like in these pics I could buy? My Axis came (used) with an aftermarket arm, and EBMM customer service said they don’t have any more spares. They advised to buy an entire assembly off of Stewmac, but it would be a round base and not quite ‘as designed’, so I thought I’d try here first. The pics are from someone else’s Silhouette, I think, who has the arm like I need.

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