I do not know what to call it ???

hello all
I am looking for the 2 peace alum
whatever
to attach a table to the side of my tear
one side is mounted on the tear the other on the table and you
drop it in at a 45 %and you are hooked up.
anyone know what is called and where i can get a few feet of it
thanks Dan
I am looking for the 2 peace alum

to attach a table to the side of my tear
one side is mounted on the tear the other on the table and you
drop it in at a 45 %and you are hooked up.
anyone know what is called and where i can get a few feet of it
thanks Dan