1.Dimensions:48.3-48.3mm 2.Material:Q235 carbon steel 3.Nut:21mm,22mm,23mm 4.T-bolt:80mm,89mm 5.Weight :0.95-1.05kg or as per your request 6.Standard:EN74,BS1139,CE and also fit for our domestic standard, through SGS test. 7.Techs:Drop Forged 8.Surface treatment:Self-color,Zinc plated ,Hot dip galvanized 9.Color:Self-color(Black) , White, Yellow 10.Style:British(also can produce German, American, Japanese and so on) 11.Quality:good bearing capacity,durable & stable 12.Price:reasonable & wonderful 13.OEM service is available.