Clip-type: The 1/4-turn Clip-type DZUS fasteners make installation and disassembly of your race bodywork quick and easy. The D-ring heads are easy to use with no tools and make for the fastest assembly / removal possible. These clips will also easily transfer from one set of bodywork to another in the future. Safely and quickly secure race bodywork together with these 1/4-turn D-ring style fasteners. Sold in packs of six or eight - complete with posts, clips and washers. 14 mm stud length / 1/4" hole. Note: These are meant to be used on aftermarket fiberglass bodywork kits. Dzus fasteners will generally NOT work on O.E.M. plastic fairings. Rivet-type: This six-pack of Rivet-type DZUS fasteners makes installation and disassembly of your race bodywork quick and easy. These clips also easily transfer from one set of bodywork to another in the future.