11" Scaffolding Wind Clips - Box of 50 Wind Clips will securely fasten your poly sheeting to scaffolding, reducing wind whip and increasing the life of your enclosure. Clips are normally placed about every 3’ onto the enclosure. Includes: Box of (50) - Wind Clips Features: Wind Clips are 11" long. Internal ribbing helps to grab poly. They fit 1-1/2" to 1-11/16" tube diameter. Used for holding reinforced tarp to scaffolding. Bird Ladder & Equipment Co.