We can make products according GB, IEC, AS, BS, ANSI, DIN standards. Specifications: ANSI standardTR205ColourGreyCreepage distance, mm394Cantilever strength, kN8.9Torsion strength, N-m791Low frequency flashover voltageDry, kv85Wet, kv55Critical impulse flashover voltagePos, kv125Neg, kv200 If you have any queries, please don't hesitate to contact with me.