Nicebee One set of 8pcs Universal Hard Top Quick Removal Fastener Thumb Screw and Nut Kit fits Jeep Wrangler CJ YJ TJ JK Improve interior appearance with heavy duty Hurricane styled thumb screws. Nut is made of galvonized steel. Washer is galvonized steel with rubber bonded backing that grips stud to stay in place. Thumb screws are made of durable nylon Hurricane styled head. Metric and English threaded screws provided. No loose parts. Fasteners store in the body holes when top is off (rubber laminated washer protects paint). Simplify hard top removal (NO TOOLS REQUIRED). Installs in seconds.