The Zareba® Yellow Snap-On 2-inch Extender T-Post Insulator fits securely on standard (1-1/4 or 1.33) studded T-posts. It is fabricated as one molded piece, so it needs no hardware.

Fits securely on standard (1-1/4 or 1.33) studded t-post
One molded piece - needs no hardware
25 insulators per bag