Replacing your old or new windscreen? Zero Gravity® Wellnut Kits are available for most applications. A Wellnut Kit consists of flanged neoprene bushings with a captive brass nut and hex head screws. Zero Gravity® Wellnut Kits are designed to provide a vibration resistant attachment to the fairing. Set consists of one neoprene bushing and brass nut and one hex head screw. Detailed Specifications: Size: 9 x 16 mm. Sold in packages of 4 sets.