Titanium Flanges Material: Gr1, Gr2 ,Gr3,Gr4,Gr5,Gr7,Gr9,Gr11,Gr12 Form Slip On, Socket Weld, Blind, Lapped Screwed, Weld Neck, Reducing, Spectacle(Figure 8), Slip On Boss, Plate, Plate Blank, Screwed Boss. Size:12.7-610mm (1/2" - 24") Class:150-2500 lbs Standards:ANSI B16.5, ASME B16.5. Wooden case.