This is for a Good used tool holder.
This is Used for holding 7/8" shank tools.
The shank of the holder is also 1-1/2"
This one has a shank that has the 2 tapered holes for a quick change system.
It does have a .180" square groove slot in the shank also.
US Made by Beaver Tool & Engineering Corp.
If you need a specific size of anything just ask.
If in Michigan add 6% sales tax. Thanks!