vise
Press with two jaws; it is attached to a worktable and used for clamping objects.
swivel lock 
Sliding bar clamping down the swivel base by locking it into the desired position.
bolt 
Threaded metal plug with a head that is tightly screwed into a nut to secure the vise to a work bench.
fixed base 
The tool’s supporting block, usually bolted onto a work bench.
swivel base 
Rotating surface surmounting the fixed base, which allows the vise to turn 360°.
fixed jaw 
Smooth or striated part against which the movable jaw presses an object.
movable jaw 
Smooth or striated jaw that presses an object against the fixed jaw.
handle 
Sliding bar for tightening or loosening the adjusting screw, thereby spreading or closing the jaws.
adjusting screw 
Threaded shank whose rotation is controlled by the handle; it moves the jaw toward or away from the piece to be clamped.