Swivel Socket Wrench

socket wrench
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.
A ratchet tool with a series of detachable sockets for tightening and loosening nuts of different sizes
a wrench with a handle onto which sockets of different sizes can be fitted
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.

swivel
Turn around a point or axis or on a swivel
A swivel is a connection that allows the connected object, such as a gun or chair, to rotate horizontally and/or vertically. A common design for a swivel is a cylindrical rod that can turn freely within a support structure.
a coupling (as in a chain) that has one end that turns on a headed pin
pivot: turn on a pivot