What type of tool holders are these?

[tomjelly]

9 of these tool holders came with some other items I recently purchased, just wondering if anyone knows what type they are. 1.25" at the large end of the taper, about 1" at the small end, taper is about .95" long.

 

[SeikiCorp]

R8-Snap Change ??

 

[eKretz]

Yeah looks like Ultron R-8 Snap Change.