Zareba Electric Fence Yellow Wood-Post Extender Insulator - 25 Pack YWPX25N (Discontinued by Manufacturer)
IW5XNY-RS/YWPX25N  Features: -Extender insulator.-Extended wood post insulator is for use with wooden posts electric fence systems using wire or poly wire rope.-Extends electric fence wire further away from post.-25 pack. Color/Finish: -Color: Yellow.