Long nose pliers are useful tools in 3D printing to reach hard to reach places and get a good grab on stuck filament pieces and a variety of other uses.  Such as clearing a blockage from your nozzle with an Atomic Pull, the needle nose plier will help you grip the filament for a good pull.  Also has a cutter to trim the filament for re-insertion.

A spring keep the pliers open, making it easy for one-handed operation.