Shackle insulator is also called spool insulators,consisting of one component of insulating material and intended to be secured to the structure by means of a spindle passing through it.
Contune International produce shackle insulators to ANSI standard and BS,the common products are:
53-1 shackle insulators,53-2 shackle insulators,53-3 shackle insulators,53-4 shackle insulators.