Alcoa/Mastic SHUTTRPLUG-33 12-Pack Black Shutterplugs Mounting Hardware for Vinyl Shutters
Brand: Mastic (formerly Alcoa). Mastic shutterplugs are the easy way to install your Mastic exterior vinyl shutters. Simply drill a 1/4" hole through the vinyl shutter into the side of the building, tap the shutterplugs in with a hammer, and you are done. The shutter installation is permanent and the shutterplugs will not back out after they are installed.