Fi-Shock ITRXY-FS 5-Inch Snap-On Reversed Insulator The Fi-Shock Yellow 5 in Snap-On Reversed Insulator extends the wire 5 in from the post. This yellow insulator fits securely on standard (1.25 or 1.33) studded T-posts. No hardware is needed to put this insulator on a post. Features Snap-on reversed insulators Extends wire 5 in from post Fits securely on standard (1.25 or 1.33) studded T-post Color: Yellow USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.