The PB PickTools set features four tools for assembling and dismantling seals in engines, o-rings, gears, brakes, and more from your R/C without damaging important components. The specially bent tips allow the user to arrange, probe, and pierce the most difficult items to reach. They are perfect for cleaning threaded holes and localizing cracks in metals. These specialty tools are made of a special steel alloy, and, along with precise heat treatment, allow for exceptional elasticity together with a high hardness. (They can bend to a certain point without damaging the tool.) They provide a safe working tool with unmatched performance and long endurance. The tools are manufactured with the highest regularity standards. This guarantees all tools for quality assurance. The chrome-vanadium plated surface provides and exceptional protection from corrosion and an attractive finish. Each tool is 100 percent Swiss made and comes with an unlimited lifetime guarantee. For more information visit www.pbtools.us.