1.Place of Origin: Shaanxi China (Mainland) 2.Color: blue,green,yellow,black,purple 3.Dimensions: M3--M20X5--160mm Bolt sizes:M3-M20*LengthNut sizes:M3-M30Washer sizes:M4-M16, and the specification as below: Name Size(mm) Grade Specification BoltNut WasherTitanium screws(M3-M20)*Length(5-160)mmM3-M30M4-M16Gr1,Gr2,Gr5,Gr7,Gr9,Gr12,Gr23DIN912,DIN7991,DIN933,ASTM B381,ASTM B348,AMS4928,F136,F67,JIS, ...