Highlights:

• Snap-on
• Yellow - bagged
• T-post extender
• Packed 25 per bag
• For fastening electrified wire to the post without losing energy through the post
• Extender insulators extends wire 5" from post
• Fits securely on standard (1.25 or 1.33) studded T-posts
• No hardware is needed to put this insulator on a post