Allen Wrench Holder

allen wrench
An L-shaped metal bar with a hexagonal head at each end, used to turn bolts and screws having hexagonal sockets
a wrench for Allen screws
A hex key (also known by various synonyms) is a tool of hexagonal cross-section used to drive bolts and screws that have a hexagonal socket in the head (internal-wrenching hexagon drive).
A hex head wrench

holder
a person who holds something; "they held two hostages"; "he holds the trophy"; "she holds a United States passport"
The possessor of a trophy, championship, or record
a holding device; "a towel holder"; "a cigarette holder"; "an umbrella holder"
A person who holds something
the person who is in possession of a check or note or bond or document of title that is endorsed to him or to whoever holds it; "the bond was marked `payable to bearer'"
A device or implement for holding something