The insulator clasps the wire inside and the staple wraps around insulator and is held in place once the insulator is hammered into a wooden fence of post.
Cheetah Wooden Post Staple Insulator (50 pcs)
Spec #1Locks to avoid pulling back.
Spec #2Prevents wire coming in contact with staple.
Spec #3Made from high density polyethelene.
Spec #4Can be used with all powerful fencers.