dear sirwe need Carbon Steel Pig nose Tamper Proof Screws, Anti-theft Machine ScrewsStandard:SP14 bit Product name: Security screw bit.Keywords:pig nose anti-theft screw bitSpecifications:Anti-theft screw bitMaterial:Carbon steel / steelFinish:zinc platedHardness:HV450~550Application:Cabinet &Sheet metal & furniture & OutdoorSamples:Available free within 7daysFunction:Connection,Fastening,Connection,Fastening and Decoration Show More