Anyone had any experience with these? I've ordered one for my AG kit coming from the US, but the last tracking update was over a month ago. At this rate I'll be finishing the kit with the bone nut and swap it out when (if) this turns up.

https://www.stewmac.com/luthier-tool...ro-glide-nuts/

Click image for larger version. 

Name:	ZerO_Glide_Nut.jpg 
Views:	1698 
Size:	694.8 KB 
ID:	41598