Socket Wrench Extender

socket wrench
a wrench with a handle onto which sockets of different sizes can be fitted
A ratchet tool with a series of detachable sockets for tightening and loosening nuts of different sizes
A socket wrench, more commonly referred to as a ratchet, is a type of wrench, or tightening tool, that uses separate, removable sockets to fit many different sizes of fittings and fasteners, most commonly nuts and bolts.
a long-handled wrench with interchangeable heads that fit over nuts and bolts of various sizes and a ratchet that makes tightening nuts and bolts easier.

extender
A person or thing that extends something
A substance added to a product such as paint, ink, or glue, to dilute its color or increase its bulk
In set theory, an extender is a set which represents an elementary embedding having large cardinal properties. A nonprincipal ultrafilter is the most basic case of an extender.
Any of various substances designed to extend any of several properties of a material; Any of various components designed to extend the length of a device; Another term for runner or quick-draw. (from sense #2)
(Extenders) Low cost materials used to dilute or extend high cost resins without much lessening of properties.