Pin type Porcelain Insulator widely used for distribution line and other electric power line.the insulator made of wet process porcelain with no defects on the surface. With a spindle or pin, the insulator can be smoothly mounted on a supporting structure. Pin Insulator can be Zinc thimble with thread type and porcelain thread type. Pin post type: normal pin post insulator and Anti-pollution pin post insulator 15kV/25kV/35kV Available Color : grey,brownStandard