Universal clips that allows gap from flush mount to 7/16 in.Adjustable heightsStackableBlack plastic construction4-packMounting hardware includedA Phillips head screwdriver is required for installationFor further dimensional information, please see the line drawing. Each clip has an overall reach of 3/4 inches, and the height is adjustable from a flush fit, up to 7/16 inches when using the stackable rings of 2 different heights included with each set. Diecast Black Painted Installation fasteners are included with each package.