1.Gr2,Gr3,Gr4,Gr5,Gr7,Gr9,Gr12 2.color:Ti natural,Gold,Blue,Purple 3.M2~ M64*L ... screw1.Item Name: Titanium Fastener, titanium socket torx head cap screws 2.Material: Pure Titanium and Alloy Titanium3.Grade: Gr1,Gr2,Gr3 ... , motorcycle, auto, medical, chemical, wheel, sports, anchor, weapon, etc.2>QualityGuarantee: "Qualitybegins with design and carries through final inspection and field testing ...