1. Name:Octagon Insulator 2. Model: 4000 FeatureVariety of Color Variety of Screw M5, ... , M12 Made of bulk molding compound, unsaturated polymer with fiber glass(BMC, DMC), Good electrical resistance, heat resistance, fire resistance, low ... .Dia.Depth457Fig. 1M10, 3/8-161510001030 4000 bus bar Octagon Insulator