materials:Iron Wire,Flat Head,Diamond Point, Smooth Shank. Available:Bright,E.G.,C.C.,V.C., H.D.G.and P.C.Finish Iron Wire,Flat Head,Diamond Point, Smooth Shank.Available:Bright,E.G.,C.C.,V.C., H.D.G.andP.C.Finish.C.Finish. Length in.Gage No.Diam of head in.Approx. Number PerIb595/16386""326""28Length is from the point to the underside of the head.