... IEC 2.Materials:Glass insulator 3.Main Diameter D:255mm H14mm 4.Professional manufactury Specification:1) Porcelain or glass insulators for ... Pin Type Insulator (ANSI): 56-1,56-2,56-3,56-4,56-5Pin Type Insulator for low & medium ... . Strain insulators for ANSI:54-1,54-2,54-3,54-4,54-5e. Spool Insulators for ANSI & ... time:20~30days within deposit of payment Toughened Glass Insulators Of Cap And Pin Type