extension ring

MEGATRO provide every type extension ring with Specifications as follow:

1) Material: 

hot-dip galvanized steel. 

2)Application: 

Applicable for assembling the suspension insulator to  string ,and it is also used in connecting one or several strings insulator  and then suspending on the pole arm of perch. The connection of suspension clamp and dead end clamp, the connection between stay wire and perch,