NiTi shape memory alloy washers Mini Screws ... or Images on Item NameNTi Shape Memory alloy washersMaterialNitinol shape memory alloy, Pure Titanium and Alloy TitaniumGradeNi50:Ti50at%, Gr1,Gr2, ... Colorful, Logo or Images Lased onFeaturesSuper-elastic, Shape memory, light weight, acid and alkali resistance, anti- ... , wheelchair, sports, anchor, weapon, etc. NiTi Shape memory alloy retaining washers