Holdzit Tool and Saver Combo. Heavy duty crimper/tool saver combo. Holdzit Tool Savers are the answer to every fisherman's problems...rusty tools. All tool savers (except Shark Sheath) contain an internally lubricated pad that you apply your favorite anti-corrosive agent (WD-40 included with sheath) to keep your tools protected and lubricated. Vinyl cases stretch to conform to a multitude of plier and tool shapes.