Injection molded Polypropylene handles, synthetic filaments for resistance to most solvent cleaners. Designed to be used in either petroleum-based or water based cleaning solutions. All metal parts are either stainless steel or brass for corrosion resistance. These are superior tools that will make each and every job easier and faster, saving both time and money. All tube fittings are manufactured to allow use on the most popular recalculating parts washers such as Enco, KleerFlo, Safety Klein and others. The ergonomic styles will reduce any wrist strain and allow for increased pressure during cleaning.