Andymark Key Hub (am-0985a) w/ 10mm Gear Slot
This an Andymark Key Hub (am-0985a) w/ 10mm Gear Slot
The Bolt Holes are 1/5" in Diameter.
Now these pieces are not copies. They were made and designed by the L&N STEMPunks.
If you have any trouble with the piece not working, place a comment and we will try to get in contact with you within a couple of days.
Thank you and Go Gryphons!