Powerfields White Wood/vinyl Post Polytape Insulator - 25 pk Features A Strong 2" Wide Polytape Insulator For Wood Posts Or Vinyl Post Sleeves Made Of Impact-resistant Polyethylene The Locking Face Holds The Polytape Tight, Reducing Wind Vibration Use S-16-C Or W-16-C Stainless-steel Screws Specifications ... $12.99